Question 1

Development of emerging infectious disease can be a result of all of the following EXCEPT

Accepted Answer

A) microbial mutation. 
B) modern transportation. 
C) use of genetically modified foods. 
D) changes in the environment. 
E) overuse of antibiotics. 
A) microbial mutation. 
B) modern transportation. 
C) use of genetically modified foods. 
D) changes in the environment. 
E) overuse of antibiotics.

Question 2

A prokaryotic cell may possess each of the following cellular components EXCEPT

Accepted Answer

A) flagella. 
B) a nucleus. 
C) ribosomes. 
D) a cell wall. 
E) a cell membrane. 
A) flagella. 
B) a nucleus. 
C) ribosomes. 
D) a cell wall. 
E) a cell membrane.

Question 3

The arguments supporting spontaneous generation were finally disproved by

Accepted Answer

A) Louis Pasteur. 
B) Francesco Redi. 
C) Rudolf Virchow. 
D) John Needham. 
E) Lazzaro Spallanzani. 
A) Louis Pasteur. 
B) Francesco Redi. 
C) Rudolf Virchow. 
D) John Needham. 
E) Lazzaro Spallanzani.

Question 4

What was the function and importance of S-necked flasks in Louis Pasteur's experiments in disproving spontaneous generation?

Accepted Answer

The S-necked flasks, also known as swan-

Question 5

Normal microbiota

Accepted Answer

A) indefinitely colonize the body. 
B) take up residence in sites such as the colon and mouth. 
C) almost always cause disease in the host. 
D) are normally found in blood. 
E) both indefinitely colonize the body and take up residence in sites such as the colon and mouth. 
A) indefinitely colonize the body. 
B) take up residence in sites such as the colon and mouth. 
C) almost always cause disease in the host. 
D) are normally found in blood. 
E) both indefinitely colonize the body and take up residence in sites such as the colon and mouth.

Question 6

Microbes that live stably in and on the human body are called the

Accepted Answer

A) transient microbiota. 
B) human microbiome. 
C) pathogenic microorganisms. 
D) virulent microorganisms. 
E) opportunistic microbiota. 
A) transient microbiota. 
B) human microbiome. 
C) pathogenic microorganisms. 
D) virulent microorganisms. 
E) opportunistic microbiota.

Question 7

The first step for directly linking a microbe to a specific disease according to Koch's postulates is to

Accepted Answer

A) culture the blood or other body fluid from a diseased animal using nutrient medium. 
B) inject a sample of blood or other body fluid from a diseased animal into a healthy animal. 
C) obtain a sample of blood or other body fluid from a diseased animal. 
D) compare the blood of a sick animal to blood obtained from a healthy animal. 
E) isolate microbes from the blood of healthy animals. 
A) culture the blood or other body fluid from a diseased animal using nutrient medium. 
B) inject a sample of blood or other body fluid from a diseased animal into a healthy animal. 
C) obtain a sample of blood or other body fluid from a diseased animal. 
D) compare the blood of a sick animal to blood obtained from a healthy animal. 
E) isolate microbes from the blood of healthy animals.

Question 8

The use of phenol (carbolic acid)as a wound disinfectant was first practiced by

Accepted Answer

A) Lister. 
B) Semmelweis. 
C) Pasteur. 
D) Holmes. 
E) Koch. 
A) Lister. 
B) Semmelweis. 
C) Pasteur. 
D) Holmes. 
E) Koch.

Question 9

Fungal infections are studied by

Accepted Answer

A) virologists. 
B) bacteriologists. 
C) parasitologists. 
D) mycologists. 
E) herpetologists. 
A) virologists. 
B) bacteriologists. 
C) parasitologists. 
D) mycologists. 
E) herpetologists.

Question 10

Archaea differ from bacteria in that archaea

Accepted Answer

A) have cell walls composed of substances other than peptidoglycan. 
B) lack nuclei. 
C) use organic compounds for food. 
D) reproduce by binary fission. 
E) are prokaryotic. 
A) have cell walls composed of substances other than peptidoglycan. 
B) lack nuclei. 
C) use organic compounds for food. 
D) reproduce by binary fission. 
E) are prokaryotic.

Question 11

When our bodies overcome the offensive tactics of a particular microorganism,this is referred to as

Accepted Answer

A) therapy. 
B) colonization. 
C) disease. 
D) resistance. 
E) deficiency. 
A) therapy. 
B) colonization. 
C) disease. 
D) resistance. 
E) deficiency.

Question 12

Gene therapy is currently used to treat all of the following diseases EXCEPT

Accepted Answer

A) severe combined immunodeficiency disease (SCI
D) . 
B) Duchenne's muscular dystrophy. 
C) cystic fibrosis. 
D) LDL-receptor deficiency. 
E) colon cancer. 
A) severe combined immunodeficiency disease (SCI
D) . 
B) Duchenne's muscular dystrophy. 
C) cystic fibrosis. 
D) LDL-receptor deficiency. 
E) colon cancer.

Question 13

In which of the following situations would Koch's postulates be utilized?

Accepted Answer

A) determination of the cause of a new emerging disease by scientists studying disease transmission 
B) development of a new antibiotic in a pharmaceutical lab 
C) determination of the cause of cancer in a patient 
D) formulation of a vaccine against a new pathogen in a genetic engineering lab 
E) whenever the scientific method is used to investigate a microbiological problem 
A) determination of the cause of a new emerging disease by scientists studying disease transmission 
B) development of a new antibiotic in a pharmaceutical lab 
C) determination of the cause of cancer in a patient 
D) formulation of a vaccine against a new pathogen in a genetic engineering lab 
E) whenever the scientific method is used to investigate a microbiological problem

Question 14

Who is credited with first observing microorganisms?

Accepted Answer

A) Robert Hooke 
B) Anton van Leeuwenhoek 
C) Robert Koch 
D) Louis Pasteur 
E) Carolus Linnaeus 
A) Robert Hooke 
B) Anton van Leeuwenhoek 
C) Robert Koch 
D) Louis Pasteur 
E) Carolus Linnaeus

Question 15

Common commercial benefits of microorganisms include synthesis of

Accepted Answer

A) riboflavin. 
B) acetone. 
C) insulin. 
D) aspirin. 
E) riboflavin,acetone and insulin. 
A) riboflavin. 
B) acetone. 
C) insulin. 
D) aspirin. 
E) riboflavin,acetone and insulin.

Question 16

Which of the following is NOT associated with viruses?

Accepted Answer

A) organelles 
B) nucleic acid 
C) envelope 
D) chemical reactions 
E) protein coat 
A) organelles 
B) nucleic acid 
C) envelope 
D) chemical reactions 
E) protein coat

Question 17

The process of pasteurization to reduce food spoilage utilizes high heat to kill all bacteria present.

Accepted Answer

A) True 
 B)False

Question 18

Viruses are not considered living organisms because they

Accepted Answer

A) cannot reproduce by themselves. 
B) are structurally very simple. 
C) can only be visualized using an electron microscope. 
D) are typically associated with disease. 
E) are ubiquitous in nature. 
A) cannot reproduce by themselves. 
B) are structurally very simple. 
C) can only be visualized using an electron microscope. 
D) are typically associated with disease. 
E) are ubiquitous in nature.

Question 19

From the list below,which would NOT be considered an emerging pathogen?

Accepted Answer

A) Zika virus 
B) Avian influenza 
C) smallpox virus 
D) Ebola virus 
E) Lyme disease 
A) Zika virus 
B) Avian influenza 
C) smallpox virus 
D) Ebola virus 
E) Lyme disease

Question 20

Regarding Louis Pasteur's experiments with the S-neck flask,which of the following statements is TRUE?

Accepted Answer

A) Air exchange was involved. 
B) A food source was provided. 
C) The possibility of contamination was removed. 
D) All preexisting microorganisms were killed. 
E) Air exchange occurred,a food source was provided,preexisting microorganisms were killed and contamination was prevented 
A) Air exchange was involved. 
B) A food source was provided. 
C) The possibility of contamination was removed. 
D) All preexisting microorganisms were killed. 
E) Air exchange occurred,a food source was provided,preexisting microorganisms were killed and contamination was prevented

Exam 1: The Microbial World and You

Development of emerging infectious disease can be a result of all of the following EXCEPT

A prokaryotic cell may possess each of the following cellular components EXCEPT

The arguments supporting spontaneous generation were finally disproved by

What was the function and importance of S-necked flasks in Louis Pasteur's experiments in disproving spontaneous generation?

Normal microbiota

Microbes that live stably in and on the human body are called the

The first step for directly linking a microbe to a specific disease according to Koch's postulates is to

The use of phenol (carbolic acid)as a wound disinfectant was first practiced by

Fungal infections are studied by

Archaea differ from bacteria in that archaea

When our bodies overcome the offensive tactics of a particular microorganism,this is referred to as

Gene therapy is currently used to treat all of the following diseases EXCEPT

In which of the following situations would Koch's postulates be utilized?

Who is credited with first observing microorganisms?

Common commercial benefits of microorganisms include synthesis of

Which of the following is NOT associated with viruses?

The process of pasteurization to reduce food spoilage utilizes high heat to kill all bacteria present.

Viruses are not considered living organisms because they

From the list below,which would NOT be considered an emerging pathogen?

Regarding Louis Pasteur's experiments with the S-neck flask,which of the following statements is TRUE?

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, algae, protozoa, and Helminths

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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