Question 1

Viruses are in the group

Accepted Answer

A) viridaeae. 
B) eukarya. 
C) archaea. 
D) bacteria. 
E) None of the choices is correct. 
A) viridaeae. 
B) eukarya. 
C) archaea. 
D) bacteria. 
E) None of the choices is correct.

Question 2

Viroids

Accepted Answer

A) are naked (lacking a protein shell)pieces of RNA. 
B) are naked (lacking a protein shell)pieces of DNA. 
C) are known to cause neurodegenerative diseases in animals. 
D) are composed of protein encasing DNA. 
E) are known to cause neurodegenerative diseases in animals AND are composed of protein encasing DNA. 
A) are naked (lacking a protein shell)pieces of RNA. 
B) are naked (lacking a protein shell)pieces of DNA. 
C) are known to cause neurodegenerative diseases in animals. 
D) are composed of protein encasing DNA. 
E) are known to cause neurodegenerative diseases in animals AND are composed of protein encasing DNA.

Question 3

Which is/are the correct form(s)?

Accepted Answer

A) Staphylococcus aureus 
B) Staphylococcus aureus. 
C) staphylococcus aureus . 
D) S.aureus 
E) Staphylococcus aureus AND S.aureus 
A) Staphylococcus aureus 
B) Staphylococcus aureus. 
C) staphylococcus aureus . 
D) S.aureus 
E) Staphylococcus aureus AND S.aureus

Question 4

The scientist usually considered the first to see microorganisms,which he called "animalcules",was

Accepted Answer

A) Redi. 
B) van Leeuwenhoek. 
C) Pasteur. 
D) Tyndall. 
A) Redi. 
B) van Leeuwenhoek. 
C) Pasteur. 
D) Tyndall.

Question 5

Viruses

Accepted Answer

A) are obligate intracellular parasites. 
B) are single-celled organisms. 
C) consist of only proteins. 
D) are in the Domain Archaea. 
E) are obligate intracellular parasites AND are single-celled organisms. 
A) are obligate intracellular parasites. 
B) are single-celled organisms. 
C) consist of only proteins. 
D) are in the Domain Archaea. 
E) are obligate intracellular parasites AND are single-celled organisms.

Question 6

Viruses and bacteria are both based on the unit of a cell.

Accepted Answer

A) True 
 B)False

Question 7

The human body only contains bacteria during illness.

Accepted Answer

A) True 
 B)False

Question 8

Bacteria and eukarya both contain membrane-bound organelles.

Accepted Answer

A) True 
 B)False

Question 9

Bioremediation refers to

Accepted Answer

A) rehabilitating wayward bacteria. 
B) using bacteria to clean up pollutants. 
C) vaccine development. 
D) monitoring newly discovered disease organisms. 
A) rehabilitating wayward bacteria. 
B) using bacteria to clean up pollutants. 
C) vaccine development. 
D) monitoring newly discovered disease organisms.

Question 10

Within a lab,a scientist has two samples-the first is a prion sample,while the second is a viroid sample.But those pesky labels have come off of the flasks! She wants to run a simple analysis to determine which one is which.What type of molecule would she look for to determine which one is which?

Accepted Answer

A) Lipids 
B) DNA 
C) Protein 
D) Polysaccharides 
A) Lipids 
B) DNA 
C) Protein 
D) Polysaccharides

Question 11

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

Question 12

Bacteria have been used to help produce or modify food products

Accepted Answer

A) for several thousand years. 
B) since the Middle Ages. 
C) since the late 1800s. 
D) since the 1950s. 
A) for several thousand years. 
B) since the Middle Ages. 
C) since the late 1800s. 
D) since the 1950s.

Question 13

An illness outbreak occurs in New York City birds in the late 1990s.After a lengthy scientific investigation,the Centers for Disease Control (CDC)determine that the agent causing the birds to die is the West Nile virus.Outbreaks of this illness have been observed in several other countries in Asia and the Middle East across the last 50 years,but not in the United States.With this information,what would be the best categorization of this infectious agent/disease

Accepted Answer

A) This is clearly a reemerging infection.It's been around for a long time,and it is reappearing in a susceptible population again. 
B) This is clearly a nosocomial infection.It's transmitted from animals to human beings in urban environments. 
C) This is clearly an emerging infection.It hasn't been around that long,and it has made a jump across continents into a new susceptible population. 
D) This is clearly not a concern to human beings--maybe it's emerging in animals,maybe it's reemerging,maybe it's nosomial.But who cares? It's only in birds. 
A) This is clearly a reemerging infection.It's been around for a long time,and it is reappearing in a susceptible population again. 
B) This is clearly a nosocomial infection.It's transmitted from animals to human beings in urban environments. 
C) This is clearly an emerging infection.It hasn't been around that long,and it has made a jump across continents into a new susceptible population. 
D) This is clearly not a concern to human beings--maybe it's emerging in animals,maybe it's reemerging,maybe it's nosomial.But who cares? It's only in birds.

Question 14

The outbreak of measles within the last few years was due to

Accepted Answer

A) mutation of the virus. 
B) change in the environment. 
C) a decline in vaccination of children in the previous years. 
D) increase in sensitivity of detection techniques. 
A) mutation of the virus. 
B) change in the environment. 
C) a decline in vaccination of children in the previous years. 
D) increase in sensitivity of detection techniques.

Question 15

Newly emerging or reemerging diseases

Accepted Answer

A) may be due to changing lifestyles. 
B) are exemplified by Lyme disease and toxic shock syndrome. 
C) may reflect a breakdown in sanitation/social order. 
D) may be related to global cooling. 
E) may be due to changing lifestyles,are exemplified by Lyme disease and toxic shock syndrome,AND may reflect a breakdown in sanitation/social order. 
A) may be due to changing lifestyles. 
B) are exemplified by Lyme disease and toxic shock syndrome. 
C) may reflect a breakdown in sanitation/social order. 
D) may be related to global cooling. 
E) may be due to changing lifestyles,are exemplified by Lyme disease and toxic shock syndrome,AND may reflect a breakdown in sanitation/social order.

Question 16

Viruses may only be grown

Accepted Answer

A) in sterile,cell-free chemical growth media. 
B) in living cells. 
C) at body temperature. 
D) in darkness. 
A) in sterile,cell-free chemical growth media. 
B) in living cells. 
C) at body temperature. 
D) in darkness.

Question 17

The system by which organisms are named is referred to as

Accepted Answer

A) systematics. 
B) naming. 
C) nomenclature. 
D) cladistics. 
A) systematics. 
B) naming. 
C) nomenclature. 
D) cladistics.

Question 18

Some archaea are commonly found in

Accepted Answer

A) meteors. 
B) boiling hot springs. 
C) the Great Salt Lake. 
D) your refrigerator. 
E) boiling hot springs AND the Great Salt Lake. 
A) meteors. 
B) boiling hot springs. 
C) the Great Salt Lake. 
D) your refrigerator. 
E) boiling hot springs AND the Great Salt Lake.

Question 19

Microorganisms are involved in

Accepted Answer

A) production of medicinal products. 
B) transforming atmospheric nitrogen to a form useful to plants. 
C) food production. 
D) pollution cleanup. 
E) All of the choices are correct. 
A) production of medicinal products. 
B) transforming atmospheric nitrogen to a form useful to plants. 
C) food production. 
D) pollution cleanup. 
E) All of the choices are correct.

Question 20

Plants are dependent on microorganisms for

Accepted Answer

A) providing oxygen. 
B) providing water. 
C) changing atmospheric nitrogen to a usable form. 
D) providing carbohydrates. 
A) providing oxygen. 
B) providing water. 
C) changing atmospheric nitrogen to a usable form. 
D) providing carbohydrates.

Exam 1: Humans and the Microbial World

Viruses are in the group

Viroids

Which is/are the correct form(s)?

The scientist usually considered the first to see microorganisms,which he called "animalcules",was

Viruses

Viruses and bacteria are both based on the unit of a cell.

The human body only contains bacteria during illness.

Bacteria and eukarya both contain membrane-bound organelles.

Bioremediation refers to

Within a lab,a scientist has two samples-the first is a prion sample,while the second is a viroid sample.But those pesky labels have come off of the flasks! She wants to run a simple analysis to determine which one is which.What type of molecule would she look for to determine which one is which?

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 have been used to help produce or modify food products

The outbreak of measles within the last few years was due to

Newly emerging or reemerging diseases

Viruses may only be grown

The system by which organisms are named is referred to as

Some archaea are commonly found in

Microorganisms are involved in

Plants are dependent on microorganisms for

The Molecules of Life

Microscopy and Cell Structure

Dynamics of Prokaryotic Growth

Control of Microbial Growth

Metabolism: Fueling Cell Growth

The Blueprint of Life, From DNA to Protein

Bacterial Genetics

Biotechnology and Recombinant DNA

Identification and Classification of Prokaryotic Organisms

The Diversity of Prokaryotic Organisms

The Eukaryotic Members of the Microbial World

Viruses, Viroids, and Prions

The Innate Immune Response

The Adaptive Immune Response

Host-Microbe Interactions

Immunologic Disorders

Applications of Immune Responses

Epidemiology

Antimicrobial Medications

Respiratory System Infections

Skin Infections

Wound Infections

Digestive System Infections

Genitourinary Tract Infections

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