尔雅Veterinary Parasitology期末答案(学习通2023课后作业答案)

尔雅Veterinary Parasitology期末答案(学习通2023课后作业答案)

Part One: Introduction Chapter Two: Epidemiology of Parasitic Diseases

Unit One

1、尔雅The期末 following worm that belongs to the stenoxenous parasite is ( )
A、Schistosoma japonicum
B、答案Oxyuris 学习equi
C、Clonorchis 通课sinensis
D、Trichinella spiralis

2、后作The业答 definitive host of the liver fluke Fasciola hepatica is ( )
A、Freshwater snails
B、尔雅Freshwater fish
C、期末Freshwater shrimps
D、答案Cattle,学习 goats or humans

3、The通课 harms Ascaris suum poses to pigs do not include ( )
A、Nutrient loss
B、后作Intestinal blockage
C、业答Blood loss
D、尔雅“Milk-spot” liver

4、The division criterions of parasites do not include ( )
A、Host ranges and species
B、Degree of adaptation to hosts
C、Host sizes
D、Time or period in or on hosts

5、The following parasite that belongs to the facultative parasite is ( )
A、Lucilia maggots
B、Hypoderma bovis
C、Psoroptes ovis
D、Ascaris suum

6、The following parasite that can cause self-infection is ( )
A、Echinococcus
B、Cysticercus cerebralis
C、Taenia solium
D、Schistosoma japonicum

7、What is the epidemiology of parasitic disease? ( )
A、It is a science that studies the patterns on occurrence, transmission, prevalence and outcome of parasitic diseases in animal populations.
B、It is a science that studies the patterns on occurrence, transmission, prevalence and outcome of parasitic diseases in most animal populations.
C、It is a science that studies the patterns on occurrence, transmission, prevalence and outcome of parasitic diseases in a certain kind of animal populations.
D、It is a science that studies the routes on occurrence, transmission, prevalence and outcome of parasitic diseases in some animal populations.

8、Among the following options, which one is not the epidemic features of parasitic diseases? ( )
A、Endemic
B、seasonality
C、Occasionality
D、Natural area

9、The transmission route of Dirofilaria immitis is ( )
A、By feeding utensils
B、By vectors
C、By keeping cages
D、By direct contact

10、According to the parasitic time or period (short or long), the parasites can be divided into ( )
A、Permanent parasites
B、Temporary parasites
C、Facultative parasites
D、Periodic parasites

11、According to the roles the host plays in the lifecycle of the parasite, the host can be divided into ( )
A、Definitive hosts
B、Intermediate hosts
C、Reservoir hosts
D、Paratenic hosts and vectors

12、The ectoparasites that infect hosts by the contact route include ( ).
A、Tritrichomonas
B、Sarcoptes scabiei
C、Schistosoma japonicum
D、Psoroptes ovis

13、Tick-transmitted diseases include ( )
A、Bacterial diseases
B、Viral diseases
C、Protozoan diseases
D、Prion disease

14、The routes parasites use to infect hosts include ( ).
A、Oral infection
B、Respiratory tract infection
C、Self-infection
D、Blood-brain barrier infection

15、Which parasite groups do Trichinella spiralis belongs to ( )
A、The endoparasite
B、The permanent parasite
C、The polyxenous parasite
D、The obligatory parasite

16、The harms parasites pose to pigs include ( )
A、Nutrition loss
B、Tissue/organ lesion
C、Immune interference
D、Pathogen transmission

17、Which of the following descriptions of the susceptible animals are right ( )
A、Susceptible animals include the animals that are susceptible to certain kinds of parasites because of lacking immunity
B、Susceptible animals include the animals that are susceptible to certain kinds of parasites because of their low immunity
C、Different breeds of animals appear to have different levels of susceptibility to the same parasite species.
D、Every animal species is only susceptible to certain kinds of parasite species.

18、The transmission routes of parasitic disease are ( ).
A、By feeding utensils
B、By vectors
C、By keeping cages
D、By direct contact

19、Ascaris suum usually parasitize the small intestine but can present in the biliary and pancreatic ducts, thus A. suum can be grouped into either endoparasites or aberrant parasites.

20、Mosquitos belong to either ectoparasites or vectors that transmit piroplasma.

21、Humans are the only definitive host of Taenia solium, thus humans cannot get cysticercosis.

22、Ascaris suum is an endoparasite and also belongs to polyxenous parasites.

23、Pig Cysticerci mainly cause nutrition loss of the host.

24、The buffalo is an important reservoir host of human schistosomiasis japonicum.

25、All parasites are in the same developmental stages when discharged from their hosts.

26、Fasciola hepatica can be spread to other places via the migration of the intermediate host.

Questions and answers

1、Describe the harms parasites pose to host.

2、What is the transmission route of the parasitic disease?

3、What is the definition of the natural areas?

Part One: Introduction Chapter Three: Diagnostics of Parasitic Diseases

Unit Three

1、The most commonly used ELISA method for detecting antibodies is( )
A、ndirect ELISA
B、Sandwich ELISA
C、Competitive ELISA
D、Fluorescent labeling

2、The secondary antibody that binds fluorescein to produce fluorescence in IFAT is( )
A、IgA
B、IgM
C、IgG
D、IgE

3、The color of the reactant under the light microscope of the GICA is( )
A、Green
B、Blue
C、Red
D、Yellow

4、PCR is used to detect ( )
A、Antigen
B、Antibody
C、DNA or RNA
D、Complement

5、The important intervention method to control infection source is( )
A、Forage management
B、Rotation grazing
C、Feces management
D、Deworming

6、The most commonly used ELISA method for detecting antibodies and antigens is( )
A、Indirect ELISA
B、Sandwich ELISA
C、Competitive ELISA
D、Fluorescent labeling

7、What is marked with fluorescent dye in IFAT( )
A、Antigen
B、Antibody
C、Tissue
D、Pathogen

8、What is used to observe the results of IFAT and GICA need to( )
A、Microplate reader
B、Microscope
C、Ultraviolet spectrophotometer
D、Gel imaging analysis system

9、PCR can not be used to ( )
A、Detect parasite infection
B、Identify specific parasite species
C、Investigate the molecular epidemiology of parasites
D、Detect specific antibody induced by parasites

10、The specificity of PCR depends on ( )
A、Template
B、Primers
C、dNTPs
D、Mg2+

11、Which of the following enzymes can withstand high temperature? ( )
A、Taq DNA polymerase
B、RNAase
C、T4 DNA ligase
D、DNA helicase

12、Basic steps of PCR include ( )
A、Denaturing
B、Annealing
C、Repairing
D、Extension

13、The principles of prevention and control of parasitic disease are ( )
A、Cutting off transmission route
B、Controlling infection source
C、Protecting susceptible animals
D、Protecting intermediate hosts

14、The advantages of immunological diagnostic methods are( )
A、Simple
B、Fast
C、Sensitivity
D、Specificity

15、The commonly used ELISA methods are( )
A、Indirect ELISA
B、Sandwich ELISA
C、Competitive ELISA
D、Fluorescent labeling

16、What is used to detect the occurrence of parasites in animals in the immunological diagnosis( )
A、Antigen
B、Antibody
C、Clinical symptoms
D、Pathogen

17、Apart from template DNA, PCR reaction components include ( )
A、Mg2+
B、Primers
C、dNTPs
D、DNA polymerase

18、The advantages of PCR reaction include ( )
A、Specificity
B、Sensitivity
C、Simplicity
D、Rapid

19、The PCR technique utilizes the principle of base complementary pairing.

20、Vaccination is one of the measures to protect susceptible animals.

21、The sandwich ELISA is used to identify a specific sample antigen.

22、Gold immunochromatographic assay (GICA) uses an indirect antigen or protein labeled with colloidal gold as a marker for detection of the specific antibody.

23、GICA is an immunolabelling technique that combines serological and microscopy methods.

24、PCR is the integral part of molecular biology.

25、PCR reaction is performed in vivo.

Part One: Introduction Chapter Four: Prevention and Control of Parasitic Diseases

Unit Two

1、The epidemiology of parasitic disease include ( )
A、Infection source
B、Transmission route
C、Environmental factor
D、Susceptible animals

2、Animals that infected with parasites can act as the infection source.

3、Via soil transmission is one of the transmission routes of parasitic diseases.

Question and Answer

1、What are the main immunological diagnostic methods currently?

2、What is the principle of ELISA method?

3、What are the basic procedure of the ELISA ?

Part Two: Key Zoonotic Parasitic Diseases Chapter One: Zoonotic Fluke Diseases

Unit One

1、According to the location of the parasite,Schistosoma japonicum belongs to( )
A、Ectoparasite
B、Endoparasite
C、Temporary parasite
D、Pseudoparasite

2、The parasitic sites of Clonorchis sinensis in the host is ( )
A、Intestine
B、stomach
C、Muscle
D、Bile duct and gallbladder

3、The number of intermediate host species required for the lifecycle development of Clonorchis sinensis is( )
A、1
B、2
C、3
D、4

4、The best drug recommended by the WHO for the treatment of human clonorchiasis is( )
A、Ivermectin
B、Mebemycin
C、Praziquantel
D、piperazine citrate

5、The parasitic sites of Schistosoma japonicum in the definitive hosts are ( )
A、Hepatic portal vein
B、Lung
C、Heart
D、Mesenteric vein

6、Adult worms of Schistosoma japonicum are hermaphrodite.

Part Two: Key Zoonotic Parasitic Diseases Chapter Two: Zoonotic Tapeworm Diseases

Unit Two

1、The causative agent of cystic echinococcosis is ( )
A、Cysticercus cerebralis
B、Metacestode of Echinococcus granulosus
C、Metacestode of Echinococcus multilocularis
D、Cysticercus tenuicollis

2、The pig cysticercosis cycles between ( )
A、Humans and pigs
B、Pigs and dogs
C、Humans-humans
D、Pigs and pigs

3、The only definitive host of Taenia saginata is ( )
A、Humans
B、Bovines
C、Humans and bovines
D、Canids

4、The definitive host of Echinococcus multilocularis is ( )
A、Wolfs
B、Foxes
C、Dogs
D、Rodents

5、The diagnostic approaches of the pig cysticercosis include ( )
A、ELISA
B、Necropsy
C、Fecal egg examination
D、PCR

6、The engineering recombinant EG95 can be used for prevention of echinococcosis of cattle and sheep.

7、The vaccine TSOL18 can be used for prevention and control of cysticercosis in humans and pigs.

8、The occurrence and prevalence of bovine cysticercosis in humans are related to various factors,among them digestion of raw/undercooked beef is responsible for most human cases.

Part Two: Key Zoonotic Parasitic Diseases Chapter Three: Zoonotic Nematode Diseases

Unit Three

1、Among the following options,the zoonotic parasitic disease is ( )
A、Chicken ascariasis
B、Trypanosomasis theileri
C、Trichinellosis
D、Histomoniasis

2、According to the location of parasites, Angiostrongylus cantonensis belongs to ( )
A、Stenoxenous parasite
B、Polyxenous parasite
C、Endoparasite
D、Ectoparasite

3、Which of the following parasite belongs the compulsory meat inspection item?( )
A、Ascaris suum
B、Isospora suis
C、Trichinella spiralis
D、Fasciolopsis buski

4、Among the following options, the correct description of the life cycle of Trichinella spiralis is ( )
A、Direct development
B、Indirect development
C、It is not required to change host to complete lifecycle
D、It has an exogenous stage

5、The infection route of Trichinella spiralis is ( )
A、Ingestion of under-cooked shrimps
B、Ingestion of under-cooked snails
C、Drinking raw water
D、Ingestion of under-cooked meat

6、The below parasites which can cause “worm cancer-like” is ( )
A、Cysticercus cerebralis
B、Metacestode of Echinococcus granulosus
C、Metacestode of Echinococcus multilocularis
D、Pig cysticerci

7、The host ranges and parasitic sites of Taenia solium are ( ), respectively.
A、Humans and brain
B、Humans and small intestine
C、Humans and muscle
D、Pigs and muscle

8、The bovine cysticercosis cycles between ( )
A、Humans and bovines
B、Bovines and dogs
C、Humans and humans
D、Bovines and bovines

9、The main endemic area of Clonorchis sinensis is( )
A、Northern Europe
B、North America
C、Middle East
D、East Asia

10、The first intermediate host of Clonorchis sinensis is( )
A、Freshwater fish
B、Freshwater shrimp
C、Freshwater snails
D、Freshwater jellyfish

11、The final host of Clonorchis sinensis does not include( )
A、Human
B、Dog
C、Cat
D、Pigeon

12、The infectious stage of Angiostrongylus cantonensis is( )
A、Adults
B、Eggs
C、First-stage larvae
D、Third-stage larvae

13、The definitive host of Angiostrongylus cantonensis is( )
A、Humans
B、Rates
C、Slugs
D、Fish

14、Angiostrongylus cantonensis mainly distributed( )
A、In tropical and subtropical regions
B、In temperate regions
C、In cold regions
D、Globally

15、Which of the following hosts can be infected by the nematodes of the genus Trichinella? ( )
A、Human
B、Pig
C、Dog
D、Mice

16、Which of the following organisms can serve as the intermediate hosts of Angiostrongylus cantonensis? ( )
A、Fresh-water snails
B、Fish
C、Shrimps
D、Slugs

17、The common causative agents of echinococcosis ( )
A、Metacestode of Echinococcus multilocularis
B、Cysticercus tenuicollis
C、Metacestode of Echinococcus granulosus
D、Cysticercus pisiformis

18、The common drugs used for treatment of pig cysticercosis include ( )
A、Praziquantel
B、Ivermectin
C、Albendazole
D、Pyrantel pamoate

19、The diagnostic approaches of bovine cysticercosis include ( )
A、Necropsy
B、ELISA
C、PCR
D、Fecal egg examination

20、Among the following options, the correct descriptions of trichinellosis are ( )
A、Trichinellosis is a food-borne zoonotic parasitic disease caused by nematodes of the genus Trichinella
B、The causative agent of trichinellosis can infect domestic and wildlife animals
C、Trichinellosis is pathogenic to pigs and humans
D、Trichinellosis is not a public health issue

21、Among the following options, the correct descriptions of the lifecycle in Trichinella spiralis are( )
A、Direct development
B、It has an exogenous stage
C、Adult worms parasitize in the host’s intestines
D、Larvae parasitize in the striated muscle of hosts

22、The intermediate hosts of Clonorchis sinensis are( )
A、Freshwater fish
B、Freshwater shrimp
C、Freshwater snails
D、Jellyfish

23、Clonorchis sinensis mainly causes liver and gallbladder lesions in humans and animals, such as( )
A、Liver enlargement
B、Gallstones
C、Liver fibrosis
D、Bile duct cancer

24、The final hosts of Clonorchis sinensis are( )
A、Humans
B、Mammales
C、Birds
D、Freshwater fish and shrimp

25、Which of the following parasites are zoonotic parasites? ( )
A、Trichinella spiralis
B、Angiostrongylus cantonensis
C、Moniezia expansia
D、Schistosoma japonicum

26、Which of the following parasites can parasitize in the nervous system? ( )
A、Cysticercus cerebralis
B、Trichinella spiralis
C、Angiostrongylus cantonensis
D、Cryptosporidium

27、Larvae of Trichinella spiralis parasitize the host‘s intestines.

28、Angiostrongylus cantonensis is a food-borne parasitic diseases.

29、The adults Taenia solium and Taenia saginata parasitize the human intestine.

30、Cystic echinococcosis mainly cycles between domestic cattle/sheep and dogs, while alveolar echinococcosis cycles between wild rodents and foxes/wolfs.

31、People who have raw beef will easily get Taenia saginata but be safe if take the beef jerky.

32、The female of Trichinella spiralis is larger than the male.

33、Via cutaneous transmission is the infection route of Trichinella spiralis.

34、Clonorchiasis is caused by Clonorchis sinensis that lives in liver, bile duct and gallbladder of host.

35、The final hosts of Clonorchis sinensis are freshwater fish and shrimp.

36、Clonorchiasis mainly causes gastroenteritis in humans and animals.

37、The intermediate host is not required for the development of Angiostrongylus cantonensis.

38、Angiostrongylus cantonensis can invade the nervous system of humans and cause eosinophilic meningitis and meningoencephalitis.

Question and Answer

1、Outline the measures of prevention and control of echinococcosis.

2、Outline the measures of prevention and control of pig cysticercosis.

3、Please briefly describe the post-slaughter quarantine method of swine trichinellosis.

4、Please briefly illustrate the measures to control swine trichinellosis .

5、Which countries are Clonorchis sinensis mainly endemicin East Asia?

6、How do we prevent and control clonorchiasis?

7、How Angiostrongylus cantonensis infect humans?

Part Two: Key Zoonotic Parasitic Diseases Chapter Four: Zoonotic Protozoan Diseases

Unit Four

1、Among the following options,the zoonotic parasitic disease is( )
A、Toxocariasis vitulorum
B、Toxoplasmosis
C、Psoroptic mange
D、Histomoniasis

2、The hosts that can be infected by Toxoplasma gondii include ( )
A、Cat
B、Human
C、Chicken
D、Swine

3、The lifecycle phases include ( )
A、Sporogony
B、Schizogony
C、Gemmipary
D、Gametogony

4、Infection of Toxoplasma gondii in immunocompromised humans and pregnant women can cause serious consequences.

5、Cryptosporidiosis is a water-borne parasitic disease.

Part Two: Key Zoonotic Parasitic Diseases Chapter Five: Ticks

Unit Four

1、The important intervention method to control infection source is( )
A、Forage management
B、Rotation grazing
C、Feces management
D、Deworming

2、The principles of prevention and control of parasitic disease are ( )
A、Cutting off transmission route
B、Controlling infection source
C、Protecting susceptible animals
D、Protecting intermediate hosts

3、Vaccination is one of the measures to protect susceptible animals.

Qestion and answer

1、Outline the measures of prevention and control of cryptosporidiosis.

2、Please briefly illustrate the clinical signs of swine infected with Toxoplasma gondii.

3、Which developmental stages of ticks do need to suck blood on the host?

4、What infectious pathogens can be transmitted by ticks?

5、How do we prevent and control ticks?

Part Three: Key Parasitic Diseases in Animals Chapter One: Key Parasitic Diseases in Cattle & Sheep

Unit Five

1、The parasitisim of ticks on hosts are ( )
A、Skin
B、Liver
C、Intestine
D、Lung

2、During the lifecycle of tick, the stage that does not require blood is ( )
A、Adult
B、Nymph
C、Larva
D、Egg

3、The following parasite that can be transmitted by ticks is ( )
A、Clonorchis sinensis
B、Theileria
C、Trichuris suis
D、Sarcoptes scabiei

4、The infection route of cryptosporidiosis is ( )
A、Oral infection
B、Contact infection
C、Respiratory tract infection
D、Self-infection

5、The time for a complete lifecycle of Cryptosporidium is ( )
A、Seven days
B、Two days
C、Fifteen days
D、Thirty days

6、The main targeted sites of Cryptosporidium in hosts is ( )
A、Epithelial cells of the gastrointestinal tract
B、Lungs
C、Stomach
D、Heart

7、The effective drug for animal toxoplasmosis is( )
A、Praziquantel
B、Sulfonamides
C、Ivermectin
D、Enrofloxacin

8、Among the following options, the correct description of the life cycle of Toxoplasma gondii is ( )
A、Toxoplasma gondii can’t be transmitted from intermediate to definitive hosts
B、The definitive hosts of Toxoplasma gondii are canine
C、Toxoplasma gondii has a wide range of intermediate hosts
D、Toxoplasma gondii can’t be transmitted between definitive hosts

9、Which of the following description about epidemiology of toxoplasmosis is wrong? ( )
A、It has a worldwide distribution
B、Cats and bobcats infected with Toxoplasma gondii are the main source of infection
C、Meat are the only source of Toxoplasma gondii infection for intermediate hosts
D、Toxoplasmosis has a wide range of intermediate hosts.

10、The food source of ticks in the host is ( )
A、sweat
B、lymph
C、blood
D、saliva

11、The color of tick eggs is ( )
A、brown
B、gray
C、white
D、yellow

12、For animals infected with ticks, the drug generally used for oral treatment is ( )
A、Amitraz
B、Ivermectin
C、Chloromycin
D、Atovaquone

13、The common causative agents of cryptosporidiosis include ( )
A、Cryptosporidium parvum
B、Cryptosporidium hominis
C、Cryptosporidium felis
D、Cryptosporidium canis

14、The diagnostic approaches of cryptosporidiosis include ( )
A、Fecal acid-fast staining
B、PCR
C、Animal challenging test
D、indirect haemagglutination test

15、The host ranges of cryptosporidiosis include ( )
A、Birds
B、Rptiles
C、Mammals
D、Humans

16、The infection routes of Toxoplasma gondii are ( )
A、Ingestion of sporulated oocysts
B、Ingestion of cysts
C、Cutaneous infection
D、Diaplacental infection

17、The infective stages of Toxoplasma gondii in intermediate host and final host include ( )
A、Oocyst
B、Trophozoite
C、Cyst
D、Egg

18、The host range of ticks includes ( )
A、Mammals
B、Birds
C、Reptiles
D、Amphibians

19、Tick-borne diseases include ( )
A、Babesia
B、Encephalitis
C、Lyme disease
D、Rickettsial diseases

20、After humans and animals are bitten by ticks, their skin symptoms include ( )
A、skin damage
B、dermatitis
C、Wound maggots
D、White crust

21、The cryptosporidiosis is a food-borne parasitic disease.

22、There are no effective drugs for cryptosporidiosis, and it can only be symptomatically treated.

23、One Cryptosporidium oocyst cannot cause an effective infection.

24、Dog acts as the definitive hosts of Toxoplasma gondii.

25、The major consequences of pregnant women infected with Toxoplasma gondii is severe abnormalities or abortion of newborns.

26、Ticks mainly consist of Ixodidae and Argasidae, of them the Argasidae has more species.

27、The head, chest, and abdomen of the tick are completely healed together.

28、The shield of the female tick covers almost the entire back of the body.

Unit One

1、According to the location of the parasite,Fasciola hepatica belongs to( )
A、Ectoparasite
B、Endoparasite
C、Pseudoparasite
D、Temporary parasite

2、The diagnostic approaches of coenurosis do not include ( )
A、Fecal egg examination
B、PCR
C、Necropsy
D、Serology

3、Where does Moniezia expansa parasitize in cattle and sheep? ( )
A、Abomasum
B、Intestinal tract
C、Muscles
D、Liver

4、The infective stage of Haemonchus contortus is ( )
A、The first stage larvae
B、The second stage larvae
C、The Third stage larvae
D、The fourth stage larvae

5、The number of the development stage of Sarcoptes, Psoroptes and Chorioptes mites is( )
A、1
B、2
C、3
D、4

6、The drug generally used to treat mange of cattle and sheep is( )
A、Gentamicin
B、Chloramphenicol
C、Ivermectin
D、Albendazole

7、The intermediate hosts of Taenia multiceps include ( )
A、Cattle/sheep
B、Pigs
C、Dogs
D、Cats

8、The metacestode of Taenia multiceps is ( )
A、Protoscolex
B、Cysticercus cerebralis
C、Echinococcus metacestode
D、Cysticercus

9、The host parasitic site of Haemonchus contortus is ( )
A、Small intestine
B、Abomasum
C、Large intestine
D、Rectum

10、The intermediate host of Fasciola hepatica is ( )
A、Lymnaeid snails
B、Midge
C、Oribatid mites
D、Earthworm

11、The effective drug for animal fascioliasis is( )
A、Triclabendazole
B、Enrofloxacin
C、Ivermectin
D、Sulfonamides

12、Among the following descriptions about the epidemiology of fasciolosis, which one is right? ( )
A、Mainly prevalent in north frigid regions
B、Fasciolosis has a global distribution
C、The intermediate host widely distributed in arid areas
D、Only cattle infected with Fasciola act as the infection source

13、The infectious stage of Fasciola hepatica is ( )
A、Egg
B、Cercaria
C、Trophozoite
D、Metacercariae

14、The intermediate host of Moniezia expansa is( )
A、Tick
B、Oribatid mite
C、Fresh-water snail
D、Fish

15、What is the main difference of mature proglottid between Moniezia expansa and Moniezia benedeni? ( )
A、The length of proglottid
B、The width of proglottid
C、The thickness of proglottid
D、Interproglottid glands

16、The infectious stage of Moniezia is( )
A、Oncosphere
B、Miracidium
C、Cysticercoid
D、Cysticercus

17、The parasitic site of Sarcoptes scabiei on sheep is( )
A、Skin surface
B、Intradermal skin
C、Genuine leather
D、Subcutaneous tissue

18、Among the main causative agents of the bovine and sheep mange, the smallest size of the mite is( )
A、Chorioptes
B、Psoroptes
C、Sarcoptes
D、Knemidocoptes

19、To kill mites hidded in the breeding environment, the commonly used insecticides is( )
A、Ivermectin
B、Amitraz
C、Albendazole
D、Mebemycin

20、The major pathogens of fasciolosis are ( )
A、Fasciola hepatica
B、Fasciolopsis buski
C、Fasciola gigantica
D、Fasciola mansoni

21、The definitive hosts of of Taenia multiceps include ( )
A、Dogs
B、Wolfs
C、Foxes
D、Cats

22、According to different classifications of parasites, Moniezia belongs to ( )
A、Polyxenous parasite
B、Endoparasite
C、Obligatory parasite
D、Periodic parasite

23、The diagnostic approaches of Haemonchus contortus infections include ( )
A、PCR
B、Fecal egg examination
C、Blood smearing
D、Necropsy

24、The common host of psoroptic mange are( )
A、Sheep
B、Buffalo
C、Goat
D、Cow

25、The common drugs used for treatment of coenurosis include ( )
A、Oxfendazole
B、Praziquantel
C、Ivermectin
D、Levamisole

26、The common clinic symptoms of the disease caused by Haemonchus contortus include ( )
A、Anemia
B、Maldevelopment
C、Emaciation
D、Edema

27、The common clinic symptoms of coenurosis include ( )
A、Staggers
B、Gid
C、Blindness
D、Death

28、The parasitic sites of Fasciola hepatica are ( )
A、Lung
B、liver
C、Bile ducts
D、Heart

29、The clinical signs of sheep infected with Fasciola hepatica contain( )
A、Fever
B、Liver pains
C、Anemia
D、Emesis

30、Which of the following medicine can be used to the treatment of Monieziasis?( )
A、Albendazolum
B、Ivermectin
C、Menbendazolum
D、Praziquantel

31、Which of the following descriptions about Moniezia are right? ( )
A、The proliferation of worms can cause intussusception
B、Mainly cause morbidity of young animals
C、There’s only one group of reproductive organs in each mature proglottid of Moniezia
D、The interproglottid glands of Moniezia benedeni are vesicle, arranged in a line at the posterior margin of the mature proglottid

32、The main pathogens that cause mange of cattle and sheep are( )
A、Chorioptes
B、Psoroptes
C、Sarcoptes
D、Knemidocoptes

33、The main symptoms of cattle and sheep mange are( )
A、Crust
B、Hair loss
C、Thickened skin
D、Edema

34、The main infection routes of cattle and sheep mange are( )
A、Indirect contact
B、Direct contact
C、Oral infection
D、Respiratory tract infection

35、As for the treatment of fascioliasis in animals, we can use ivermectin.

36、The scolex of Taenia multiceps does not have a double row of hooks.

37、Cysticercoid is the larval stage of Moniezia.

38、Haemonchus contortus is a soil-transmitted parasite.

39、Effective control of dogs and stopping dogs from accessing brain and spinal cord entrails of diseased animals are key measures for control of coenurosis in cattle and sheep.

40、The issue of drug resistance in Haemonchus contortus could be alleviated by rotational grazing and deworming using different anthelmintics.

41、Sheep are the most susceptible hosts of fascioliasis.

42、Fasciola gigantica is bigger than Fasciola hepatica.

43、Monieziosis can not induce nervous symptoms.

44、The intermediate host is not necessary for the development of Moniezia.

45、The life cycle of Sarcoptes mites includes the pupae.

46、Chorioptes mites live on the skin surface of cattle and sheep.

47、Compared to Sarcoptes mites,Psoroptes mites are more common found in goats.

Question and answer

1、Outline the measures of prevention and control of coenurosis in cattle and sheep.

2、Outline the measures of prevention and control of Haemonchus contortus in cattle and sheep.

3、Please briefly illustrate the diagnostic methods of animal fascioliasis.

4、Please talk about the prevention and control measures of Monieziasis.

5、How many development stages of scabies mites Include in their lifecycle?

6、What is the differences of the parasitic sites between Psoroptes and Chorioptes mites infection and Sarcoptes mites infection in cattle and sheep?

7、How do we prevent and control mange of cattle and sheep?

Part Three: Key Parasitic Diseases in Animals Chapter Two: Key Parasitic Diseases in Pigs

Unit Two

1、Scabies is transmitted through( )
A、Respiratory tract
B、Oral ingestion
C、Placenta
D、Contact

2、The infective stage of Ascaris suum is ( )
A、L1-contained eggs
B、L2-contained eggs
C、Embryonized eggs
D、L3-contained eggs

3、The infection route of Isospora suis is through( )
A、Oral ingestion
B、Skin
C、Respiratory tract
D、Placenta

4、Which of the following medicine can be used to the treatment of sarcoptic mange in pigs? ( )
A、Ivermectin
B、Selamectin
C、Amitraz
D、Praziquantel

5、The color of the fresh adults of Ascaris suum is ( )
A、Pink
B、White
C、Faint yellow
D、Faint brown

6、Which of the following developmental stages occurs within the intestinal mucosal epithelial cells?( )
A、Schizogony
B、Gametogony
C、Sporulation
D、Budding reproduction

7、The development of Sarcoptes scabiei belongs to complete metamorphosis.

8、Intermediate host is not required for the development of Isospora suis.

Part Three: Key Parasitic Diseases in Animals Chapter Three: Key Parasitic Diseases in Avian

Unit Three

1、The causative agent of avian coccidiosis is( )
A、Eimeria
B、Isospora
C、Tyzzeria
D、Wenyonella

2、The vector of Leucocytozoon sabrazesi is( )
A、Mosquitoes
B、Culicoides
C、Blackflies
D、Horseflies

3、According to the location of parasites, Dermanyssus gallinae belongs to( )
A、Endoparasite
B、Ectoparasite
C、Aberrant parasite
D、Pseudoparasite

4、Among the causative agents of avian coccidiosis, the most highly pathogenic pathogens are ( )
A、Isospora tenella
B、Eimeria tenella
C、Eimeria necatrix
D、Eimeria praecox

5、The developmental stages of Leucocytozoon include( )
A、Schizogony
B、Gametogony
C、Budding reproduction
D、Sporulation

6、Which of the following medicines can be used to the treatment of Dermanyssus gallinae?( )
A、Deltamethrin
B、Sulfonamides
C、Ivermectin
D、Toltrazuril

7、Sporogenesis of Eimeria tenella finishes in external environment.

8、The chicken survived from leucocytozoonosis are the main source of infection.

9、Dermanyssus gallinae can transmit bacterial and viral diseases.

Part Three: Key Parasitic Diseases in Animals Chapter Four: Mange of Rabbits

Unit Four

1、The parasitic site of mites on the rabbit is( )
A、Liver
B、Intestine
C、Skin
D、Muscle

2、The parasitic site of Sarcoptes scabiei on rabbit is( )
A、Skin surface
B、Skin epidermis
C、Dermis
D、Subcutaneous tissue

3、The parasitic site of Sarcoptes scabiei is ( )
A、The surface of the skin
B、The epidermis of the skin
C、The dermis of the skin
D、Hair follicle

4、According to parasitic time, Sarcoptes scabiei belongs to ( )
A、Temporary parasite
B、Periodic parasite
C、Permanent parasite
D、Opportunistic parasite

5、Which of the following symptoms isn’t the typical clinical symptoms of sarcoptic mange? ( )
A、Intense pruritus
B、Diarrhea
C、Scale and crust formation
D、Alopecia

6、In the life cyle of Isospora suis, the exophytic stage is ( )
A、Schizogony
B、Gametogony
C、Budding reproduction
D、Sporulation

7、Which developmental stage of Isospora suis is infectious? ( )
A、Unsporulated oocysts
B、Sporulated oocysts
C、Cysticercoid
D、Merozoite

8、The infection route of Ascaris suum is ( )
A、Via contact
B、Via mouth
C、Via respiratory tract
D、Via self-infection

9、The migration route of larvae of Ascaris suum in host is ( )
A、Small intestine-liver-lung-small intestine
B、Small intestine-small intestine
C、mall intestine-liver-small intestine
D、Small intestine-lung-small intestine

10、The host parasitic site of Ascaris suum adults is ( )
A、Small intestine
B、Large intestine
C、Pancreatic duct
D、Biliary duct

11、Which of the following descriptions of Dermanyssus gallinae is right ( )
A、The infection of Dermanyssus gallinae does not cause a decrease of egg production rate in laying hens
B、Dermanyssus gallinae hiding in dark cracks and crevices during the day, and mainly suck blood at night
C、Dermanyssus gallinae belongs to endoparasite
D、Intermediate host is not required for the development of Dermanyssus gallinae

12、Which of the following parasites do not cause anemia ( )
A、Sarcoptes scabiei
B、Leucocytozoon
C、Dermanyssus gallinae
D、Angiostrongylus cantonensis

13、According to the parasitic time, Dermanyssus gallinae belongs to( )
A、Stenoxenous parasite
B、Temporary parasite
C、Facultative parasite
D、Permanent parasite

14、Which of the following descriptions about the life cycle of Eimeria tenella is correct? ( )
A、Avian coccidiosis has a local distribution
B、Chickens get infected by consuming fodder or water that is contaminated by sporulated oocysts
C、A single species of Eimeria infection is commonly found in the field
D、Co-infection with more than one Eimeria species is rarely found in the field

15、The effective drug for avian coccidiosis is( )
A、Triclabendazole
B、Praziquantel
C、Toltrazuril
D、Diminazene aceturas

16、Among the following options, the correct description of the life cycle of Eimeria tenella is ( )
A、Only include asexual reproduction
B、Only include sexual reproduction
C、Indirect development
D、Direct development

17、The parasitic sites of Psoroptes ( rabbit subspecies) on rabbit is ( )
A、Around the mouth
B、Around the nose
C、Ear canal
D、Around the eye

18、The basic clinical symptoms of the rabbit mange do not include ( )
A、Scabs
B、Hair loss
C、Thickened skin
D、Skin fibrosis

19、The main infection route of the rabbit mange is ( )
A、oral infection
B、contact infection
C、transplacental infection
D、respiratory tract infection

20、The common parasitic sites of scabies in rabbits include( )
A、Around the mouth
B、Around the nose
C、Claws
D、Ear canal

21、According to parasitic location, which of the following parasites belong to endoparasites? ( )
A、Cysticercus cerebralis
B、Sarcoptes scabiei
C、Ascaris suum.
D、Isospora suis

22、The developmental stages of Sarcoptes scabies include ( )
A、Eggs
B、Larvae
C、Nymphs
D、Adults

23、Which of the following parasites do not need intermediate hosts?( )
A、Schistosoma japonicum
B、Ascaris suum
C、Isospora suis
D、Moniezia expansa

24、Which of the following parasites can parasitize in the intestinal tract of pigs? ( )
A、Ascaris suum
B、Clonorchis sinensis
C、Trichinella spiralis
D、Isospora suis

25、The common pathological lesions caused by Ascaris suum include ( )
A、“White-spot” liver
B、Pneumonia
C、Intestinal obstruction
D、Pleuritis

26、The diagnostic approaches of the pig ascariasis include ( )
A、Fecal egg examination
B、PCR
C、ELISA
D、Necropsy

27、According to parasitic time, which of the following parasites belongs to temporary parasite? ( )
A、Sarcoptes scabiei
B、Aedes mosquito
C、Dermanyssus gallinae
D、Haemaphysalis concinna

28、What are the clinical symptoms of Dermanyssus gallinae? ( )
A、Irritation
B、Decrease of egg production rate
C、Anemia
D、Dermatitis

29、The causative agents of acute coccidiosis are ( )
A、Eimeria tenella
B、Eimeria stiedae
C、Eimeria necatrix
D、Isospora chicken

30、The clinical signs of caecal coccidiosis include ( )
A、Bloody diarrhea
B、Loss of appetite
C、Emesis
D、Death in serious cases

31、The lifecycles of Sarcoptes and Psoroptes include ( )
A、Egg
B、Nymph
C、Larva
D、Adult

32、The prevalent season of scabies is ( )
A、Spring
B、Summe
C、Autumn
D、Winter

33、The important factors that promote the spread of the rabbit mange are ( )
A、Dark
B、Damp
C、Crowed cages
D、Poor feeding management

34、None of the four pairs of legs for Sarcoptes scabiei exceed the external margin of the body.

35、Sarcoptic mange is a chronic wasting disease.

36、An oocyst of Isospora suis contains 2 sporocysts, each containing 4 sporozoites.

37、Porcine coccidiosis caused by Isospora suis mainly occurs in piglets ranged from one to three months.

38、Ascaris suum is a soil-transmitted parasite.

39、Ascaris suum and Ascaris lumbricoides may be a same species.

40、It would be difficult to prevent and control pig ascariasis but clearance of Ascaris suum eggs in the surrounding is a key step.

41、Dermanyssus gallinae can bite farm workers, causing dermatitis and pruritus.

42、The development of Dermanyssus gallinae belongs to complete metamorphosis.

43、Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.

44、The preventive drugs of avian coccidiosis include ivermectin, maduramicin ammonium premix and diclazuril premix etc.

45、Rabbit mange of can be infected and spread by contact.

46、Adult mites of Psoroptes is smaller than adult mites of Sarcoptes.

47、Rabbit Psoroptes mostly occurs in winter and early spring.

Question and answer

1、How to diagnose Isospora coccidiosis?

2、Outline the measures of prevention and control of pig ascariasis.

3、Please briefly illustrate the diagnostic methods of avian coccidiosis.

4、What are the common clinical symptoms of the rabbit mange?

5、How do we prevent and control mange on rabbit?

Part Three: Key Parasitic Diseases in Animals Chapter Five: Key Parasitic Diseases in Dogs & Cats

Unit Five

1、The causative agent of the dog and cat fleas is( )
A、Vermipsylla
B、Ctenocephalides
C、tick
D、Sarcoptes scabiei

2、The number of development stages in Ctenocephalides life cycle is( )
A、1
B、2
C、3
D、4

3、The parasite that uses Ctenocephalides as its intermediate host is( )
A、Tick
B、Dipylidium caninum
C、Clonorchis sinensis
D、Ascaris suum

4、The parasitic location of Notoedres mites on cat is( )
A、Skin surface
B、Skin epidermis
C、Dermis
D、Subcutaneous tissue

5、The body shape of Otodectes mites is( )
A、Linear
B、Linear
C、Crescent
D、Leaf shape

6、The parasitic site of Notoedres mites on the cat is( )
A、Face, ear and neck
B、Abdomen
C、Tail
D、Paw

7、The parasite that cause heartworm disease in dogs and cats is( )
A、Dioctophyma renale
B、Ancylostoma caninum
C、Toxocara canis
D、Dirofilaria immitis

8、The relationship between the infection rates and ages of heartworm disease in dogs is( )
A、The older has the lower the infection rate
B、The older has the higher the infection rate
C、The younger has the lower the infection rate
D、he younger has the higher the infection rate

9、The initial symptom of heartworm disease in dogs and cats is( )
A、Chronic cough
B、Emphysema
C、Pleural effusion
D、Anemia

10、The parasitic site of Babesia on dog is( )
A、Epithelial cells
B、Cardiomyocytes
C、Red blood cells
D、White blood cells

11、The reproductive form of Babesia canis in the intestine of ticks is( )
A、Sporulation
B、Gametogenesis
C、Budding reproduction
D、Split reproduction

12、After infectionwith Babesia gibsoni, the body temperature presents( )
A、Missed fever
B、Relaxation fever
C、Intermittent heat
D、Regression fever

13、The lifecycle of Notoedres and Otodectes mites do not include( )
A、Egg
B、Nymph
C、Pupa
D、Larva

14、The main infection route of the cat mange is( )
A、Oral infection
B、Contact infection
C、Transplacental infection
D、Respiratory tract infection

15、The commonly used drug for the treatment of cat mange is( )
A、Chloromycin
B、Ivermectin
C、Albendazole
D、Gentamicin

16、The common detection method for dog and cat fleas is( )
A、Floating method
B、Precipitation
C、Paper chromatography
D、Bellman method

17、Fleas bite dogs and cats and mainly feed on( )
A、Lymph fluid
B、Sweat
C、Blood
D、Urine

18、After flea bites dogs and cats, the most obvious symptom of skin is( )
A、Thickening
B、Scab
C、Inflammation and itching
D、Herpes

19、The number of papillae surrounding the mouth of the heartworm is( )
A、2
B、4
C、6
D、8

20、The optimal method for detecting microfilaria is( )
A、Precipitation method
B、cFloating method
C、Bellman method
D、Modified Knott's test

21、The factor affecting the infection rate of the heartworm disease is( )
A、Gender
B、Coat length
C、Coat color
D、Age

22、The transmission vector of Babesia gibsoni is( )
A、Mosquito
B、Flea
C、Tick
D、Lice

23、Babesia gibsonis is distributed in( )
A、Europe
B、Asia
C、Africa
D、North America

24、The target gene for PCR molecular detection in canine Babesia is( )
A、18S rRNA
B、5S rRNA
C、5.8S rRNA
D、28S rRNA

25、The main pathogens that cause cat mange are( )
A、Tick
B、Notoedres mite
C、Flea
D、Otodectes mite

26、The prevalent season for cat Otodectes mite infection is( )
A、Spring
B、Summer
C、Autumn
D、Winter

27、When infected by Otodectes mite,the common symptoms of cat in the ear canal are( )
A、Brown-black discharge
B、Epidermal hyperplasia symptoms
C、Herpes
D、Warts

28、The most common fleas from Ctenocephalides are( )
A、Ctenocephalides felis
B、Ctenocephalides canis
C、Vermipsylla alakurt
D、Xenopsylla cheopis

29、The main host species harmed by dog and cat fleas are( )
A、Dog
B、Cat
C、Human
D、Cow

30、The lifecycle of Ctenocephalides includes( )
A、Egg
B、Larva
C、Pupa
D、Adult

31、The intermediate host that is necessary for the development of microfilaria is( )
A、Flea
B、Mosquito
C、Spider
D、Lice

32、Before developing into adults, the fourth-stage larvae of heartworm caninei migrate to the host’s( )
A、Liver
B、Right ventricle
C、Lung
D、Great blood vessel

33、The most common symptoms of cat heartworm disease are( )
A、Drowsiness
B、Cough
C、Difficulty breathing
D、Vomiting

34、The main clinical symptoms of Babesia in dogs include( )
A、High fever
B、Anemia
C、Jaundice
D、Hemoglobinuria

35、The approaches to diagnose Babesia include( )
A、PCR
B、Blood smears
C、Bellman method
D、Floating method

36、The number of Babesia gibsoni can parasitize in one red blood cell is( )
A、1-2
B、5-6
C、9-10
D、16-17

37、The mites of Notoedres live in the ear canals of cats.

38、Otodectes mites are black.

39、The diagnosis of cat mange requires the detection of mite bodies or eggs in the crust of the affected part of the infected animal.

40、Fleas have no strict host specificity.

41、The pupa stage is not included in the lifecycle of the flea.

42、The adult flea can locate the host according to the temperature and carbon dioxide.

43、Dogs raised indoors have a higher rate of the heartworm disease than that of dogs raised outdoors.

44、Ivermectin has preferable effectiveness on killing or inhibiting the larvae of various stages of heartworms.

45、Dogs with heartworm infection are often accompanied by nodular skin diseases.

46、Most of Babesia canis are double pear-shaped in red blood cells.

47、The infection and incidence season of Babesia canis is basically the same as the activity season of the vector tick.

48、Babesia gibsoni can be transmitted through the tick egg.

Question and answer

1、1. Briefly describe the main clinical symptoms of cat mange.

2、2. What diseases do cats have if they get Otodectes infection and also have a secondary bacterial infection?

3、3. How should we prevent and control mange of cat?

4、4. How many stages are included in the life cycle of dog and cat fleas?

5、5. Please list 3 types of fleas in dogs and cats that can transmit pathogens.

6、6. How should we prevent and control flea of dog and cat?

7、7. What detection methods can be used for heartworm disease in dogs and cats?

8、8. What symptoms occur when the canine heartworm disease complicated with acute vena cava syndrome happen?

9、Please list 3 kinds of drugs that are used for the prevention and treatment of heartworm disease in dogs and cats.

10、List 3 kinds of specific drugs used to treat Babesia of dogs.

11、What kinds of Babesia parasitize dogs?

12、How do we prevent and control Babesia in dogs?

Part Three: Key Parasitic Diseases in Animals Chapter Six: Key Parasitic Diseases in Giant Pandas

Unit Six

1、The infection route of Baylisascaris schroederi is ( )
A、Via mouth
B、Via respiratory tract
C、Via contact
D、Via self-infection

2、The lifecycle stages of the giant panda Chorioptes panda include ( )
A、Egg, larva, nymph and adult
B、Egg, larva and adult
C、Egg, nymph and adult
D、Larva, nymph and adult

3、The time for a complete lifecycle of Baylisascaris schroederi is ( )
A、One month
B、Two months
C、Three months
D、Six months

4、The time for a complete lifecycle of Chorioptes panda is ( )
A、Two weeks
B、Three weeks
C、Four weeks
D、Six weeks

5、The infective stage of Baylisascaris schroederi is ( )
A、Embryonized eggs
B、L1-contained eggs
C、L2-contained eggs
D、L3-contained eggs

6、The distributed range of the giant panda baylisascariasis in China includes ( )
A、Sichuan
B、Gansu
C、Shaanxi
D、Guizhou

7、The drugs used for treatment of the giant panda Chorioptes panda include ( )
A、Ivermectin
B、Doramectin
C、Praziquantel
D、Cephalosporin

8、The harms Baylisascaris schroederi pose to giant pandas include ( )
A、Intestinal obstruction
B、Intestinal inflammation
C、Pneumonia
D、Hepatitis

9、The common diagnostic approaches of the giant panda Chorioptes panda include ( )
A、Clinic symptoms
B、Microscopic examination of scale and debris
C、Animal challenging test
D、indirect haemagglutination test

10、The possible parasitic sites of Baylisascaris schroederi adults in giant pandas include ( )
A、Small intestine
B、Heart
C、Pancreatic duct
D、Biliary duct

11、Baylisascaris schroederi is the only intestinal parasite in giant pandas.

12、The giant panda Chorioptes panda infection mostly happens in the late spring or early autumn.

13、The giant pandas baylisascariasis only occurs in wild and captive population of China.

14、Baylisascaris schroederi is a soil-transmitted parasite.

Question and answer

1、1. Outline the measures of prevention and control of the giant pandas baylisascariasis.

2、2. Outline the measures of prevention and control of the giant panda Chorioptes panda.

期末测试

Final Test

1、Which of the following organisms is parasite? ( )
A、Earth worms
B、Anopheles mosquitoes
C、Field snails
D、Caenorhabditis elegans

2、Which of the following parasites belongs to periodic parasites? ( )
A、Fasciola hepatica
B、Ascaris suum
C、Hypoderma bovis
D、Taenia multiceps

3、Which stage of Schistosoma japonicum is infectious for humans and animals? ( )
A、Miracidium
B、Sporocyst
C、Cercaria
D、Metacercaria

4、Which stage of Clonorchis sinensis can infect humans? ( )
A、Miracidium
B、Sporocyst
C、Cercaria
D、Metacercaria

5、The intermediate host of Echinococcus granulosus is ( )
A、Fresh-water snails
B、Fish
C、Birds
D、Sheep

6、The definitive host of Taenia solium is ( )
A、Pigs
B、Dogs
C、Cats
D、Humans

7、The definitive host of Angiostrongylus cantonensis is ( )
A、Rates
B、Dogs
C、Cats
D、Fresh-water snails

8、Which of the following organisms is the intermediate host of Moniezia expansa? ( )
A、Fresh-water snails
B、Earth worms
C、Oribatid mites
D、Mosquitos

9、Which stage of Haemonchus contortus is infectious for cattle and sheep? ( )
A、Eggs
B、First-stage larvae
C、Second-stage larvae
D、Third-stage larvae

10、Which of the following organisms is the vector of Babesia gigfordii? ( )
A、Mosquitoes
B、Flies
C、Fleas
D、Ticks

11、Which of the following stages of Trichinella spiralis can be detected within pigs? ( )
A、Eggs
B、Larvae
C、Females
D、Males

12、Which of the following organisms serve as the paratenic host of Angiostrongylus cantonensis? ( )
A、Fresh-water snails
B、Terrestrial snails
C、Mosquitoes
D、Flies

13、Which stage of toxoplasma gondii can infect humans? ( )
A、Schizonts
B、Gametophyte
C、Trophozoite
D、Oocysts

14、The routes of Cryptosporidium that infect humans and animals include ( )
A、Oral ingestion
B、Skin
C、Self-infection
D、Placental infection

15、The developmental stages of ticks include ( )
A、Eggs
B、Larvae
C、Nymphs
D、Adults

16、The developmental stages of Fasciola hepatica in intermediate hosts include ( )
A、Sporocyst
B、Redia
C、Cercaria
D、Metacercaria

17、Which of the following animals are susceptible for Taenia multiceps? ( )
A、Cattle
B、Sheep and goats
C、Horses
D、Deer

18、The parasitic sites of Eimeria in rabbits include ( )
A、Liver
B、Duodenum
C、Jejunum
D、Ileum

19、The organs of pigs Ascaris suum used for its larval migration include ( )
A、Liver
B、Lung
C、Kidney
D、Spleen

20、Dirofilaria immitis mainly parasitize in which organs of dogs and cats? ( )
A、Heart
B、Pulmonary artery
C、Spleen
D、Kidney

21、Chorioptes panda is mainly found around the eyes and the mouth of pandas.

22、Baylisascaris schroederi parasitized in giant pandas, red pandas and bears.

23、Apart from sucking blood of animals, fleas can cause dermatitis as well.

24、The main parasitic mites in cates are Notoedres cati and Otodectes cynotis.

25、Selamectin is mainly used to control the heatworm and mite of dogs.

26、Sulfonamides are the primary drugs to prevent rabbit coccidiosis.

27、Dermanyssus gallinae parasitize on the skin of chickens permanently.

28、The mature gametophyte of Leucocytozoon caulleryi is in spindle shape.

29、Isospora coccidiosis mainly occurs in piglets at around 1-3months.

30、Cysticercus cerebralis mainly parasitizes in the livers and lungs of cattle and sheep.