Question 1

An extreme environment in which archaea have been found is

Accepted Answer

A)  oceans. 
B)  boiling hot springs. 
C)  marshes. 
D)  refrigerators. 
E)  animal digestive tracts. 
A)  oceans. 
B)  boiling hot springs. 
C)  marshes. 
D)  refrigerators. 
E)  animal digestive tracts.

Question 2

Select the False statement regarding bacteria.

Accepted Answer

A)  They are found as rods, spheres, or spirals. 
B)  They reproduce by binary fission. 
C)  They contain a peptidoglycan cell wall. 
D)  They are found as single cells. 
E)  They are never photosynthetic. 
A)  They are found as rods, spheres, or spirals. 
B)  They reproduce by binary fission. 
C)  They contain a peptidoglycan cell wall. 
D)  They are found as single cells. 
E)  They are never photosynthetic.

Question 3

What do viruses, viroids, and prions all have in common?

Accepted Answer

A)  They contain only RNA. 
B)  They are acellular agents of disease. 
C)  They contain only DNA. 
D)  They infect only animals. 
E)  They cause neurodegenerative diseases. 
A)  They contain only RNA. 
B)  They are acellular agents of disease. 
C)  They contain only DNA. 
D)  They infect only animals. 
E)  They cause neurodegenerative diseases.

Question 4

Thiomargarita namibiensis can not be a eukaryote because it is only 1 mm in width.

Accepted Answer

A) True 
 B)False

Question 5

The work of Tyndall and Cohn

Accepted Answer

A)  supported the idea of spontaneous generation rather than the idea of biogenesis. 
B)  explained why some spontaneous generation investigators got different results from those of Pasteur. 
C)  showed that all microbes caused disease if they enter the human body. 
D)  allowed scientists to see microorganisms using a simple microscope. 
E)  showed that boiling fails to kill vegetative bacteria. 
A)  supported the idea of spontaneous generation rather than the idea of biogenesis. 
B)  explained why some spontaneous generation investigators got different results from those of Pasteur. 
C)  showed that all microbes caused disease if they enter the human body. 
D)  allowed scientists to see microorganisms using a simple microscope. 
E)  showed that boiling fails to kill vegetative bacteria.

Question 6

Janus is a keen baseball player at the high school where you are employed as a nurse. He comes to your office and shows you an injury to his knee which he got by sliding into home base, scoring a game-winning run. His knee has a red, raw patch where the skin has been scraped off, and the area around the wound is swollen. Janus tells you that he washed his knee with soap and water to remove any germs and then put a bandage on it. 
-Janus tells you he knows that yeast cells are also small and round. He asks how scientists can tell the difference between yeasts and bacteria. Select the choice that best answers his question.

Accepted Answer

A)  Bacteria are microscopic. 
B)  Bacteria are photosynthetic. 
C)  Bacteria are unicellular. 
D)  Bacteria contain peptidoglycan. 
E)  Bacteria can be pathogenic. 
A)  Bacteria are microscopic. 
B)  Bacteria are photosynthetic. 
C)  Bacteria are unicellular. 
D)  Bacteria contain peptidoglycan. 
E)  Bacteria can be pathogenic.

Question 7

The idea of spontaneous generation postulated that

Accepted Answer

A)  organisms could evolve into the next generation of organisms. 
B)  organisms could spontaneously turn into other types of organisms. 
C)  living organisms could spontaneously arise from non-living material. 
D)  living organisms could spontaneously arise from other living organisms. 
E)  living organisms must contain at least ten cells. 
A)  organisms could evolve into the next generation of organisms. 
B)  organisms could spontaneously turn into other types of organisms. 
C)  living organisms could spontaneously arise from non-living material. 
D)  living organisms could spontaneously arise from other living organisms. 
E)  living organisms must contain at least ten cells.

Question 8

The contradictory results obtained by different scientists apparently doing the same experiments in investigating spontaneous generation

Accepted Answer

A)  show that experiments should only be done once. 
B)  show the importance of exactly duplicating experimental conditions. 
C)  led to further experiments that ultimately proved spontaneous generation. 
D)  could not be explained by anyone involved in the work. 
E)  led to the development of swan-necked flasks. 
A)  show that experiments should only be done once. 
B)  show the importance of exactly duplicating experimental conditions. 
C)  led to further experiments that ultimately proved spontaneous generation. 
D)  could not be explained by anyone involved in the work. 
E)  led to the development of swan-necked flasks.

Question 9

Although it is said that the twentieth century was the Age of Physics, it is predicted that the twenty-first century will be the age of

Accepted Answer

A)  chemistry. 
B)  computers. 
C)  microbial biodiversity. 
D)  mathematics. 
E)  psychology. 
A)  chemistry. 
B)  computers. 
C)  microbial biodiversity. 
D)  mathematics. 
E)  psychology.

Question 10

Bacteria are good research models because they

Accepted Answer

A)  vary in size from microscopic to macroscopic. 
B)  share many biochemical and physiological properties with more complex organisms. 
C)  can be assembled into complex multicellular organisms. 
D)  have complicated growth requirements. 
E)  develop the same diseases as humans and animals. 
A)  vary in size from microscopic to macroscopic. 
B)  share many biochemical and physiological properties with more complex organisms. 
C)  can be assembled into complex multicellular organisms. 
D)  have complicated growth requirements. 
E)  develop the same diseases as humans and animals.

Question 11

Which is usually NOT True of archaea?

Accepted Answer

A)  They move using flagella. 
B)  They reproduce by mitosis. 
C)  They contain rigid cell walls. 
D)  They are found as single cells. 
E)  They are prokaryotes. 
A)  They move using flagella. 
B)  They reproduce by mitosis. 
C)  They contain rigid cell walls. 
D)  They are found as single cells. 
E)  They are prokaryotes.

Question 12

You are examining a pea plant that is showing signs of disease-brown leaves and no pea pods. You isolate an agent from the plant that only contains RNA and protein. This is a(n) ________.

Accepted Answer

A)  viroid 
B)  virus 
C)  bacterium 
D)  fungus 
E)  protozoan 
A)  viroid 
B)  virus 
C)  bacterium 
D)  fungus 
E)  protozoan

Question 13

Bioremediation refers to

Accepted Answer

A)  rehabilitating wayward bacteria. 
B)  using bacteria to clean up pollutants. 
C)  development of new vaccines. 
D)  monitoring newly discovered disease organisms. 
E)  destroying organisms causing emerging infectious diseases. 
A)  rehabilitating wayward bacteria. 
B)  using bacteria to clean up pollutants. 
C)  development of new vaccines. 
D)  monitoring newly discovered disease organisms. 
E)  destroying organisms causing emerging infectious diseases.

Question 14

Bacteria and eukarya both contain membrane-bound organelles.

Accepted Answer

A) True 
 B)False

Question 15

The scientific name of an organism includes its

Accepted Answer

A)  family and genus. 
B)  first name and last name. 
C)  genus and species. 
D)  domain and genus. 
E)  domain and species. 
A)  family and genus. 
B)  first name and last name. 
C)  genus and species. 
D)  domain and genus. 
E)  domain and species.

Question 16

Why are we concerned at all with monitoring emerging/reemerging diseases?

Accepted Answer

A)  These represent growing threats to human health that will require new scientific research and resources to effectively combat. 
B)  Because globalization leads to more chances for spread of illnesses into new areas and populations. Monitoring these illnesses will help us to protect people. 
C)  Because the speed of travel has increased, so it is far more likely that a serious pathogen can spread rapidly across the globe. Monitoring these illnesses will help us protect populations. 
D)  All of the answer choices are correct. 
E)  None of the answer choices is correct. 
A)  These represent growing threats to human health that will require new scientific research and resources to effectively combat. 
B)  Because globalization leads to more chances for spread of illnesses into new areas and populations. Monitoring these illnesses will help us to protect people. 
C)  Because the speed of travel has increased, so it is far more likely that a serious pathogen can spread rapidly across the globe. Monitoring these illnesses will help us protect populations. 
D)  All of the answer choices are correct. 
E)  None of the answer choices is correct.

Question 17

Viruses may only be grown

Accepted Answer

A)  in sterile growth media. 
B)  in living cells. 
C)  at body temperature. 
D)  in darkness. 
E)  in liquid broths. 
A)  in sterile growth media. 
B)  in living cells. 
C)  at body temperature. 
D)  in darkness. 
E)  in liquid broths.

Question 18

Microorganisms are involved in

Accepted Answer

A)  causing disease. 
B)  curing/treating disease. 
C)  preparing food. 
D)  cleaning up pollutants. 
E)  All of the answer choices are correct. 
A)  causing disease. 
B)  curing/treating disease. 
C)  preparing food. 
D)  cleaning up pollutants. 
E)  All of the answer choices are correct.

Exam 1: Humans and the Microbial World

An extreme environment in which archaea have been found is

Select the False statement regarding bacteria.

What do viruses, viroids, and prions all have in common?

Thiomargarita namibiensis can not be a eukaryote because it is only 1 mm in width.

The work of Tyndall and Cohn

The idea of spontaneous generation postulated that

The contradictory results obtained by different scientists apparently doing the same experiments in investigating spontaneous generation

Although it is said that the twentieth century was the Age of Physics, it is predicted that the twenty-first century will be the age of

Bacteria are good research models because they

Which is usually NOT True of archaea?

You are examining a pea plant that is showing signs of disease-brown leaves and no pea pods. You isolate an agent from the plant that only contains RNA and protein. This is a(n) ________.

Bioremediation refers to

Bacteria and eukarya both contain membrane-bound organelles.

The scientific name of an organism includes its

Why are we concerned at all with monitoring emerging/reemerging diseases?

Viruses may only be grown

Microorganisms are involved in

The Molecules of Life

Microscopy and Cell Structure

Dynamics of Microbial Growth

Control of Microbial Growth

Microbial Metabolism: Fueling Cell Growth

The Blueprint of Life, from DNA to Protein

Bacterial Genetics

Biotechnology

Identifying and Classifying Microorganisms

The Diversity of Bacteria and Archaea

The Eukaryotic Members of the Microbial World

Viruses, Viroids, and Prions

The Innate Immune Response

The Adaptive Immune Response

Host-Microbe Interactions

Immunological Disorders

Applications of Immune Responses

Epidemiology

Antimicrobial Medications

Respiratory System Infections

Skin Infections

Wound Infections

Digestive System Infections

Blood and Lymphatic Infections

Nervous System Infections

Genitourinary Tract Infections

Microbial Ecology

Environmental Microbiology: Treatment of Water, Wastes, and Polluted Habitats

Food Microbiology

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