中国大学Medical Microbiology章节答案(mooc2023课后作业答案)

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Chapter 1 Overview

Test for Introduction

1、中国y章How many times should the bacterium be amplified to be visible under the macroscope ?大学
A、100times
B、节答500times
C、案m案1000times
D、后作10000times

Chapter 2 Morphology and Structures of Bacteria

2.1 Bacteria morphology and basic structure随堂测验

1、业答Which is 中国y章the measurement unit of bacteria?
A、nanometer
B、大学micrometer
C、节答millimeter
D、案m案centimeter

2、后作Which is 业答the major chemical component of cellwall of the Gram positive bacteria?
A、peptidoglycan
B、中国y章lipopolysaccharide
C、大学teichoic acid
D、节答chitin

2.2 Specific structure of bacteria随堂测验

1、Which structure is related to the motivation of the bacteria?
A、common pilus
B、F-pilus
C、flagella
D、spore

Test for Morphology and Structures of Bacteria

1、Which is the measurement unit of bacteria？
A、nanometer
B、micrometer
C、millimeter
D、centimeter

2、Which is the major chemical component of cellwall of the Gram positive bacteria？
A、peptidoglycan
B、lipopolysaccharide
C、teichoic acid
D、chitin

3、Which structure is related to the motivation of the bacteria？
A、common pilus
B、F-pilus
C、flagella
D、mediator

4、Which description about the cell wall of the G(-) bacterium is wrong？
A、the content of peptidoglycan is little
B、lack of the bridege of 5-peptite
C、insensitive to penicilin
D、the content of peptidoglycan is much

5、Which is the mechanism of bacterioclasis of antalzyme ?
A、to interfere protein synthesis of bacteria
B、to interfere the DNA replication of the bacteria
C、to damage permeability of the bacteria’s cellular membrane
D、to damage β—1，4 glucosidic bond of peptidoglycan framework

Chapter 3 Physiology of Bacteria

Test for Physiology of Bacteria

1、In which period of the bacteria’s growth cycle is most sensitive to the antibiotics?
A、lag phase
B、logarithmic phase
C、stationary phase
D、decline phase

2、most bacteria growing in the liquid medium appear following phenomenon, except become
A、turbid
B、precipitation
C、pellicle
D、colony

3、On the solid medium,one bacterium proliferate into one group , which is called
A、colony
B、lawn
C、mycoderm
D、strain

4、To study biological character of the bacterium ,which phase of its growth cycle should be selected?
A、lag phase
B、logarithmic phase
C、stationary phase
D、decline phase

5、Which of the following is the synthesized metabolites of bacterium
A、indole
B、H2S
C、pyrogen
D、methyl red

Chapter 4 Disinfection and Sterilization

Test for Disinfection and Sterilization

1、Sterilization method of milk, beer etc is ( )
A、autoclave sterilization
B、pasteurization
C、ultraviolet disinfection
D、filtration sterilization

2、The most frequently used method to kill bacterial spore is ( )
A、ultraviolet disinfection
B、broil sterilization
C、fractional sterilization
D、autoclave sterilization

3、sterilization is ( )
A、to kill all microorganism of object surface
B、to kill pathogenic microorganism of object suface
C、to inhibit growth and breeding of microorganism
D、to kill bacterial vegetative form

4、For moist heat sterilization, the best method is ( )
A、autoclave sterilization
B、steam sterilization
C、pasteurization
D、boiling method

5、In alcohol disinfection, the best concentration is ( )
A、100％
B、95％
C、75％
D、50％
E、30％

Chapter 5 Genetics of Bacteria

Test for Genetics of Bacteria

1、Which form is transformation ( )
A、genetic substance was transmitted from donor bacterium to receptor bacterium by F pilus
B、genetic substance was transmitted from donor bacterium to receptor bacterium by vector phage
C、Free DNA segment from donor bacterium directly was ingested into receptor bacterium
D、prophage was integrated into bacterial chromosome

2、Which choice is correct description about the character of bacterial plasmid ( )
A、plasmid is extrachromosomal element
B、plasmid is a special DNA sequence in bacterial chromosome
C、Plasmid couldn't be transmitted between bacterium by pilus
D、Plasmid control all biological functions of bacteria

3、Transduction is ( )
A、to transfer the bacterial chromosome
B、mediated by F pilus
C、mediated by R-plasmid
D、mediated by phage

4、Which type of cell is phage invaded ( )
A、human T cell
B、Bacteria cell
C、HBV
D、bird species RBC

5、What is structure of phage ( )
A、a litte peptidoglycan
B、a semipermeable membrane
C、one type of nucleic acid packaged by protein
D、form metachromatic granules in bacterium

Chapter 6 Pathogenesis of Bacterial Infection and Host Defense

Test for Pathogenesis of Bacterial Infection and Host Defense

1、Which structure can help bacterium to settle down in host ( )
A、metachromatic granules
B、spore
C、lipopolysaccharide
D、pilus

2、Which description about bacterial endotoxin is correct ( )
A、chemical composition is protein
B、can stimulate body to produce neutralizing antibody
C、only produced by Gram-negative bacterium
D、easy to be degraded when heated

3、Because of powerful resistance, the host did not appear obvious clinical symptom, which is called ( )
A、acute infection
B、endogenous infection
C、carrier state
D、subclinical infection

4、The toxicity of endotoxin refer to ( )
A、specific polysaccharides
B、lipopolysaccharide
C、core polysaccharide
D、lipide A
E、lipoprotein

5、The pathogenicity of bacterium is determied mainly by ( )
A、basic structure
B、specific structure
C、catabolin
D、invasiveness and toxin
E、invade position

Chapter 8 Pathogenic Coccus

Test for Pathogenic Coccus

1、The important surface antigen of Staphylococci is ( )
A、protein M
B、Vi antigen
C、SPA
D、OT antigen

2、The common classification of Staphylococci according to ( )
A、whether produce SPA or not
B、different biochemical event and pigments
C、K antigen of cell surface
D、lactose fermenters

3、The test commonly used for distinguishing alpha hemolytic streptococcus from pneumococcus is ( )
A、antistreptolysin O test
B、mannitol decomposition test
C、Weil-Felix reaction
D、bile solubility test

4、The disease caused by alpha hemolytic streptococcus is ( )
A、septicaemia
B、lymphangeitis
C、subacute infective endocarditis
D、epidemic typhus

5、The pathogenic material produced by beta streptococcus , which is related to allergic disorder, is ( )
A、Hyaluronidase
B、SPA
C、hemolysin
D、M protein
E、exotoxin

Chapter 9 Enterobacteriaceae

Test for Enterobacteriaceae

1、the test used to identify pathogenic bacteria from unpathogenic bacteria is
A、IMViCtest
B、ureolysis test
C、H2S test
D、lactose-fermentation test

2、the general selective medium of Bacterium entericum
A、Lowensteinmedium
B、SS medium
C、Sabouraud medium
D、Korthof medium

3、Which of the following about E coli is wrong
A、can decompose lactose and produce gas
B、haveflagella ,dynamia
C、allareconditional pathogenic bacteria
D、have important significancein sanitary bacteriology

4、Medium used for Feces isolating culture of Suspected bacillary dysentery patients is
A、bouillon culture-medium
B、SS medium
C、alkalitypeptone water
D、chocolate plate

5、Which of the following Bacterium entericum don’t have flagella
A、Vibriocholerae
B、Bacillusproteus
C、dysentery bacillus
D、E coli

Chapter 10 Vibrio

Test for Vibrio

1、pathogenic material of Vibrio cholerae is
A、endotoxin
B、exotoxin
C、capsule
D、invasive enzyme
E、spore

2、Which of the following bacterium shuttling like fish under microscope is
A、Vibrio cholerae
B、typhoid bacillus
C、Bacillus termo
D、E coli
E、dysentery bacillus

3、Pathogenic characteristics of Vibrio parahaemolyticus is
A、cause septemia
B、infect babies and kids
C、cause pyogenic infection
D、cause food poison
E、none of the above

4、The medium used to culture vibrio cholerae is
A、alkaline peptide water
B、SS medium including bile salt
C、hyperosmosis medium
D、medium including animal serum
E、chocolate plate

5、The bacterium caused bacteremia is
A、E coli
B、Bacillus typhi
C、dysentery bacillus
D、Vibrio cholerae
E、Salmonella

Chapter 11 Anaerobic Bacteria

Test for Anaerobic Bacteria

1、The characteristic of Clostridium tetani spores is to make the bacteria present
A、tennis racket form
B、drumstick form
C、bamboonode form
D、branchform
E、cambiform

2、The characteristic of Clostridium tetani spores is
A、lateral single flagella
B、bilateral flagella
C、peritrichous flagella
D、no flagella
E、with capsule

3、Clostridium perfringens growing in milk medium can produce
A、stormy fermentation phenomenon
B、string-of-beads change of the bacteria
C、satellitism
D、fried egg colonies
E、transport phenomena

4、Specific treatment of tetanus is to apply
A、antibiotics
B、antitoxin
C、toxoid
D、bacteriocin
E、tetanus vaccine

5、Which of the following statement is not the characteristic of Bacillus botulinus
A、botulinus toxin is the strongest poison known
B、botulinus toxin actat cholinergic nerve endings,inhibit release of ACH
C、ingest of botulinus toxin cause Lamziekte
D、G+, it have spores,capsule
E、the death rate of botulism is high

Chapter 12 Mycobacterium

Test for Mycobacterium

1、The skin test to detect whether the person have immunity of Tuberculosis bacillus is
A、OT test
B、anti O test
C、widal test
D、Weil-Felix reaction

2、The reason of strong resistance power to bacillus tuberculosis is
A、high lipid in bacillus tuberculosis
B、sandwich of spore
C、capsule is thicker than other bacteria
D、none of above

3、The characteristics of tuberculosis immunity is
A、humoral immunity acted mainly
B、can eradicate bacillus tuberculosis in body
C、Disease, immunity and IV type hypersensitivity are simultaneous
D、immunity is weak

4、How long bacillus tuberculosis grow into visible colonies?
A、24h～48h
B、6d～７d
C、2w～4w
D、2m～3M

5、Bacillus leprae belong to
A、Mycobacterium
B、Bacterium entericum
C、Brucella
D、staphylococcus

学习通Medical Microbiology

学习通是中国大陆最大的在线教育平台之一，提供了各种各样的在线课程。Medical Microbiology是其中一个非常受欢迎的课程之一。

课程介绍

Medical Microbiology是一门研究人体微生物的学科。这门课程主要介绍了细菌、真菌、病毒、寄生虫等微生物的特性、分类、结构、生长、代谢、致病机理、预防和治疗等内容。

这门课程适合医学、生物学、生物工程、制药等专业的学生学习。同时，对于医学、临床医学、病理学、微生物学、免疫学等专业的医生和研究人员也具有很大的参考价值。

课程内容

这门课程的内容非常丰富，涉及细菌学、真菌学、病毒学、寄生虫学等多个学科。具体的章节包括：

• 细菌概论
• 细菌结构
• 细菌代谢
• 细菌生长
• 细菌遗传
• 细菌分类
• 致病细菌
• 真菌概论
• 真菌结构
• 真菌生活方式
• 真菌分类
• 致病真菌
• 病毒概论
• 病毒结构
• 病毒生命周期
• 病毒分类
• 致病病毒
• 寄生虫概论
• 寄生虫结构
• 寄生虫生活方式
• 寄生虫分类
• 致病寄生虫
• 微生物与免疫系统
• 微生物与预防控制

课程特点

Medical Microbiology课程有以下几个特点：

• 内容丰富：这门课程覆盖了微生物学的各个方面，适合各种不同专业背景的学生。
• 生动有趣：课程讲解生动有趣，通过实验、案例等形式让学生更好地理解和掌握知识。
• 互动性强：学生可以和老师、同学进行交流和互动，讨论问题，分享经验。
• 课程资源齐全：学生可以通过在线视频、课件、习题、考试等各种方式获取课程资源，方便快捷。

课程评价

Medical Microbiology课程是一门非常优秀的在线课程。学生可以在这门课程中学习到微生物学的基本知识，掌握微生物的分类、特性、生长和致病机理等内容。同时，课程的互动性和资源齐全性也大大提高了学生学习的效果。

如果你对微生物学感兴趣，或者想学习有关医学领域的知识，那么Medical Microbiology课程一定是一个不错的选择。

中国大学Medical Microbiology

中国大学Medical Microbiology是中国大学中医疗微生物学专业，是一门研究微生物与人类疾病关系的学科，旨在培养掌握医疗微生物学基本理论和实践技能，能在临床、预防、治疗、卫生检验等方面工作的高级专门人才。

专业课程

中国大学Medical Microbiology的主要课程包括以下内容：

• 微生物学基础知识
• 医学微生物学
• 免疫学
• 病原学
• 生物化学
• 分子生物学

实践教学

中国大学Medical Microbiology的实践教学主要包括以下方面：

1. 实验室操作技能培训
2. 细菌培养与鉴定
3. 病毒培养与鉴定
4. 免疫学实验
5. 分子生物学实验
6. 临床病例分析

就业方向

中国大学Medical Microbiology的本科毕业生主要就业方向包括以下几个方面：

1. 卫生检验部门
2. 医院临床检验科
3. 疾病预防控制中心
4. 医药企业研发部门

未来发展

随着医学技术的不断发展和改善，Medical Microbiology作为一门重要的学科将会更加深入人心，并且在医疗、科研、教学等领域发挥更大的作用。未来，Medical Microbiology将会与其他学科共同推动医学技术的进步，为人类健康事业做出更大的贡献。