Question 1

Fomites, food, and air serve as indirect transmission routes of pathogens.

Accepted Answer

A) True 
 B)False

Question 2

Latency is a dormant state of an infectious agent.

Accepted Answer

A) True 
 B)False

Question 3

Which term-definition pair is mismatched?

Accepted Answer

A)  Fimbriae - adherence to substrate
B)  Capsule - antiphagocytic factor
C)  Coagulase - dissolves fibrin clots
D)  Leukocidins - damage white blood cells
E)  Hemolysins - damage red blood cellsF) A) and D)
G) A) and B)

Question 4

An epigenetic change is one that occurs when a microbial cell produces a toxin or an exoenzyme that directly damages host cells.

Accepted Answer

A) True 
 B)False

Question 5

The objective, measurable evidence of disease evaluated by an observer is termed a/an ______.

Accepted Answer

A)  syndrome
B)  symptom
C)  sign
D)  pathology
E)  inflammationF) A) and E)
G) A) and D)

Question 6

Local edema, swollen lymph nodes, fever, soreness, and abscesses are indications of ______.

Accepted Answer

A)  toxemia
B)  inflammation
C)  sequelae
D)  a syndrome
E)  latencyF) C) and E)
G) A) and B)

Question 7

The number of persons afflicted with an infectious disease is the _____ rate.

Accepted Answer

A)  morbidity
B)  mortality
C)  incidence
D)  endemic
E)  pandemicF) B) and C)
G) C) and D) A

Question 8

Which of the following is not an antiphagocytic factor?

Accepted Answer

A)  Secretion of slime
B)  Production of leukocidins
C)  Adhering to the host
D)  Secretion of a capsule
E)  Ability to survive intracellularlyF) A) and B)
G) A) and E)

Question 9

Assume that there are 335,104 new cases of gonorrhea reported among the U.S.population.When calculated, this would be 115.2 per 100,000 or approximately 1 reported case per 1,000 population.The value represents ______.

Accepted Answer

A)  prevalence rate
B)  incidence rate
C)  morbidity rate
D)  mortality rateE) None of the above
F) All of the above

Question 10

Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?

Accepted Answer

A)  Phagocytosis
B)  Adhesion
C)  Encapsulation
D)  Margination
E)  ExocytosisF) A) and E)
G) None of the above A

Question 11

All of the following are examples of epigenetic changes except

Accepted Answer

A)  histones are altered, which affects replication and transcription.
B)  microbial mucinase digests the protective lining of mucous membranes.
C)  host cell genome is altered, interrupting transcription.
D)  microbe binds to small RNAs disrupting gene regulation.E) A) and C)
F) B) and D) B

Question 12

The time from when pathogen first enters the body and begins to multiply, until symptoms first appear is the ______.

Accepted Answer

A)  prodromal stage
B)  convalescent stage
C)  incubation period
D)  period of invasionE) A) and B)
F) C) and D)

Question 13

A pathologic state begins with contact with a microbe.

Accepted Answer

A) True 
 B)False

Question 14

Koch's postulates are easily satisfied for viral diseases.

Accepted Answer

A) True 
 B)False

Question 15

Bacterial toxins are chemical products made by bacteria. A person ingests some honey containing Clostridium botulinum. The C. botulinum is actively growing and releases toxin in the honey. The person becomes ill from ingesting the toxin. This is an example of a/an ______.

Accepted Answer

A)   intoxication
B)   toxemia
C)   hemolysin
D)   pandemic
E)   infectionF) B) and C)
G) None of the above

Question 16

Resident biota are found in/on the ______.

Accepted Answer

A)  skin
B)  mouth
C)  nasal passages
D)  large intestine
E)  All of the choices are correct.F) A) and B)
G) D) and E)

Question 17

Keratinase has the greatest effect on the ______.

Accepted Answer

A)  respiratory system
B)  gastrointestinal system
C)  urinary system
D)  genital system
E)  skinF) B) and E)
G) B) and D)

Question 18

The suffix -emia means ______.

Accepted Answer

A)  blood
B)  a disease or morbid process
C)  an inflammation
D)  tumor
E)  pertaining toF) A) and D)
G) None of the above

Question 19

If you were a bacterial cell, which of the following would be the most beneficial for you to have or be able to make for the survival of your species?

Accepted Answer

A)  Endospore
B)  Cilia
C)  Pilus
D)  ExotoxinE) None of the above
F) A) and B)

Question 20

The dried residues of fine droplets from mucus or saliva that harbor and transmit pathogen are ______.

Accepted Answer

A)  fomites
B)  aerosols
C)  mechanical vectors
D)  droplet nuclei
E)  biological vectorsF) B) and C)
G) A) and B)

Exam 13: Microbe-Human Interactions: Health and Disease

Fomites, food, and air serve as indirect transmission routes of pathogens.

Correct AnswerverifiedShow Answer

Latency is a dormant state of an infectious agent.

Correct AnswerverifiedShow Answer

Which term-definition pair is mismatched?

Correct AnswerverifiedShow Answer

An epigenetic change is one that occurs when a microbial cell produces a toxin or an exoenzyme that directly damages host cells.

Correct AnswerverifiedShow Answer

The objective, measurable evidence of disease evaluated by an observer is termed a/an ______.

Correct AnswerverifiedShow Answer

Local edema, swollen lymph nodes, fever, soreness, and abscesses are indications of ______.

Correct AnswerverifiedShow Answer

The number of persons afflicted with an infectious disease is the _____ rate.

Correct AnswerverifiedA

Which of the following is not an antiphagocytic factor?

Correct AnswerverifiedShow Answer

Assume that there are 335,104 new cases of gonorrhea reported among the U.S.population.When calculated, this would be 115.2 per 100,000 or approximately 1 reported case per 1,000 population.The value represents ______.

Correct AnswerverifiedShow Answer

Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?

Correct AnswerverifiedA

All of the following are examples of epigenetic changes except

Correct AnswerverifiedB

The time from when pathogen first enters the body and begins to multiply, until symptoms first appear is the ______.

Correct AnswerverifiedShow Answer

A pathologic state begins with contact with a microbe.

Correct AnswerverifiedShow Answer

Koch's postulates are easily satisfied for viral diseases.

Correct AnswerverifiedShow Answer

Bacterial toxins are chemical products made by bacteria. A person ingests some honey containing Clostridium botulinum. The C. botulinum is actively growing and releases toxin in the honey. The person becomes ill from ingesting the toxin. This is an example of a/an ______.

Correct AnswerverifiedShow Answer

Resident biota are found in/on the ______.

Correct AnswerverifiedShow Answer

Keratinase has the greatest effect on the ______.

Correct AnswerverifiedShow Answer

The suffix -emia means ______.

Correct AnswerverifiedShow Answer

If you were a bacterial cell, which of the following would be the most beneficial for you to have or be able to make for the survival of your species?

Correct AnswerverifiedShow Answer

The dried residues of fine droplets from mucus or saliva that harbor and transmit pathogen are ______.

Correct AnswerverifiedShow Answer

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