Question 1

Microbes known as transient microbiota are

Accepted Answer

A)  microorganisms that remain with the person throughout life. 
B)  microorganisms that may cause a disease under certain circumstances. 
C)  organisms that remain in the body for a short time. 
D)  unsuccessful microbial invaders because of the presence of preexisting microbes. 
E)  sources of microbial contamination. 
A)  microorganisms that remain with the person throughout life. 
B)  microorganisms that may cause a disease under certain circumstances. 
C)  organisms that remain in the body for a short time. 
D)  unsuccessful microbial invaders because of the presence of preexisting microbes. 
E)  sources of microbial contamination.

Question 2

The bacterium Staphylococcus aureus is commonly found in the nasal cavity of healthy people. If inhaled into the lungs, however, it may cause pneumonia. Staphylococcus aureus is best described as

Accepted Answer

A)  a parasite. 
B)  resident microbiota. 
C)  a mutualist symbiotic partner. 
D)  transient microbiota. 
E)  both resident microbiota and opportunistic pathogen. 
A)  a parasite. 
B)  resident microbiota. 
C)  a mutualist symbiotic partner. 
D)  transient microbiota. 
E)  both resident microbiota and opportunistic pathogen.

Question 3

In early spring 2009, the CDC reported several dozen cases of novel H1N1 influenza ("swine flu") in the United States. By the summer, the number of confirmed cases was reported as over 40,000. The pattern of novel H1N1 cases in the United States represents a(n) ________ disease.

Accepted Answer

A)  epidemic 
B)  endemic 
C)  sporadic 
D)  pandemic 
E)  opportunistic 
A)  epidemic 
B)  endemic 
C)  sporadic 
D)  pandemic 
E)  opportunistic

Question 4

Which of the following stages of an infectious disease is the most severe?

Accepted Answer

A)  the incubation period 
B)  the prodromal period 
C)  the illness period 
D)  the decline period 
E)  the convalescence period 
A)  the incubation period 
B)  the prodromal period 
C)  the illness period 
D)  the decline period 
E)  the convalescence period

Question 5

A person is exposed to rotten wood with fungal growth and develops blastomycosis. No one taking care of him/her becomes ill. Blastomycosis is an example of a ________ disease.

Accepted Answer

A)  contagious 
B)  subacute 
C)  chronic 
D)  noncommunicable 
E)  latent 
A)  contagious 
B)  subacute 
C)  chronic 
D)  noncommunicable 
E)  latent

Question 6

A new influenza strain appears and is spreading rapidly. What measures might be taken by public health agencies to stop the spread?

Accepted Answer

A)  Facilitate access to vaccines. 
B)  Identify and treat people who are infected. 
C)  Educate members of the public about ways to protect themselves. 
D)  Educate the public, promote vaccination, and treat those who are infected. 
E)  Shut down public transportation. 
A)  Facilitate access to vaccines. 
B)  Identify and treat people who are infected. 
C)  Educate members of the public about ways to protect themselves. 
D)  Educate the public, promote vaccination, and treat those who are infected. 
E)  Shut down public transportation.

Question 7

The person known to history as "Typhoid Mary" never had typhoid fever but was identified by public health officials as a source of Salmonella enterica Typhi. Which of the following is the most accurate description of her in this scenario?

Accepted Answer

A)  contact carrier 
B)  human carrier 
C)  reservoir 
D)  both a human carrier and a reservoir 
E)  a reservoir but not a carrier 
A)  contact carrier 
B)  human carrier 
C)  reservoir 
D)  both a human carrier and a reservoir 
E)  a reservoir but not a carrier

Question 8

The degree to which a microbe is able to cause disease is known as its (morbidity/virulence/toxicity).

Accepted Answer

The answer of The degree to which a microbe is...

Question 9

Which of the following situations might cause normal microbiota to become opportunistic pathogens?

Accepted Answer

A)  growth of microbes on the surface of intact skin 
B)  growth of microorganisms on the excreted cellular wastes and dead cells in the large intestine 
C)  treatment of a cancer patient with radiation 
D)  growth of Lactobacillus on the surface of teeth 
E)  presence of Entamoeba in the lumen of the colon 
A)  growth of microbes on the surface of intact skin 
B)  growth of microorganisms on the excreted cellular wastes and dead cells in the large intestine 
C)  treatment of a cancer patient with radiation 
D)  growth of Lactobacillus on the surface of teeth 
E)  presence of Entamoeba in the lumen of the colon

Question 10

Which of the following is the CORRECT sequence of a disease process?

Accepted Answer

A)  convalescence, incubation, prodromal period, illness, decline 
B)  prodromal period, convalescence, incubation, illness, decline 
C)  incubation, convalescence, prodromal period, illness, decline 
D)  incubation, prodromal period, illness, decline, convalescence 
E)  illness, convalescence, incubation, prodromal period, decline 
A)  convalescence, incubation, prodromal period, illness, decline 
B)  prodromal period, convalescence, incubation, illness, decline 
C)  incubation, convalescence, prodromal period, illness, decline 
D)  incubation, prodromal period, illness, decline, convalescence 
E)  illness, convalescence, incubation, prodromal period, decline

Question 11

Bacterial capsules are (antiphagocytic/cytotoxic/exotoxic) virulence factors.

Accepted Answer

The answer of Bacterial capsules are (antiphagocytic/cytotoxic/exotoxic) virulence factors....

Question 12

Biofilms provide an alternative means for bacteria to attach to surfaces within the body.

Accepted Answer

A) True 
 B)False

Question 13

Persons with asymptomatic infections may be (contaminants/reservoirs/zoonoses) of disease.

Accepted Answer

The answer of Persons with asymptomatic infections may be (contaminants/reservoirs/zoonoses)...

Question 14

A (chronic/latent/subclinical) infection is one in which the microbe is actively reproducing but not causing symptoms.

Accepted Answer

The answer of A (chronic/latent/subclinical) infection is one in which...

Question 15

The condition called parasitism is characterized as a(n)

Accepted Answer

A)  relationship between two organisms where only one member benefits and the other is unharmed. 
B)  relationship between two organisms where both members benefit. 
C)  nonsymbiotic relationship. 
D)  unsuccessful microbial invasion due to the presence of preexisting microbes. 
E)  relationship between two organisms where one member harms the other. 
A)  relationship between two organisms where only one member benefits and the other is unharmed. 
B)  relationship between two organisms where both members benefit. 
C)  nonsymbiotic relationship. 
D)  unsuccessful microbial invasion due to the presence of preexisting microbes. 
E)  relationship between two organisms where one member harms the other.

Question 16

Toxins that affect the lining of the digestive tract are (endotoxins/enterotoxins/exotoxins).

Accepted Answer

The answer of Toxins that affect the lining of the...

Exam 14: Infection, Infectious Diseases, and Epidemiology

Microbes known as transient microbiota are

The bacterium Staphylococcus aureus is commonly found in the nasal cavity of healthy people. If inhaled into the lungs, however, it may cause pneumonia. Staphylococcus aureus is best described as

In early spring 2009, the CDC reported several dozen cases of novel H1N1 influenza ("swine flu") in the United States. By the summer, the number of confirmed cases was reported as over 40,000. The pattern of novel H1N1 cases in the United States represents a(n) ________ disease.

Which of the following stages of an infectious disease is the most severe?

A person is exposed to rotten wood with fungal growth and develops blastomycosis. No one taking care of him/her becomes ill. Blastomycosis is an example of a ________ disease.

A new influenza strain appears and is spreading rapidly. What measures might be taken by public health agencies to stop the spread?

The person known to history as "Typhoid Mary" never had typhoid fever but was identified by public health officials as a source of Salmonella enterica Typhi. Which of the following is the most accurate description of her in this scenario?

The degree to which a microbe is able to cause disease is known as its (morbidity/virulence/toxicity).

Which of the following situations might cause normal microbiota to become opportunistic pathogens?

Which of the following is the CORRECT sequence of a disease process?

Bacterial capsules are (antiphagocytic/cytotoxic/exotoxic) virulence factors.

Biofilms provide an alternative means for bacteria to attach to surfaces within the body.

Persons with asymptomatic infections may be (contaminants/reservoirs/zoonoses) of disease.

A (chronic/latent/subclinical) infection is one in which the microbe is actively reproducing but not causing symptoms.

The condition called parasitism is characterized as a(n)

Toxins that affect the lining of the digestive tract are (endotoxins/enterotoxins/exotoxins).

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Industrial Microbiology

Microbial Ecology and Microbiomes

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