Question 1

Some diseases can be vertically transmitted.This is understood to mean the disease is transmitted

Accepted Answer

A)  from parent to offspring via milk, ovum, sperm, or placenta.
B)  from parent to offspring via respiratory route.
C)  by contact between siblings.
D)  between people living or working in the same building.
E)  between higher and lower animals.F) A) and D)
G) B) and D)

Question 2

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 invasion.
E)  All of the choices are correct.F) B) and D)
G) B) and E) C

Question 3

The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the

Accepted Answer

A)  mortality rate.
B)  morbidity rate.
C)  incidence rate.
D)  prevalence rate.
E)  epidemic rate.F) None of the above
G) A) and B)

Question 4

A disease that has a steady frequency over time in a population is

Accepted Answer

A)  epidemic.
B)  endemic.
C)  pandemic.
D)  sporadic.
E)  chronic.F) A) and E)
G) A) and D)

Question 5

An animal, such as an arthropod, that transmits a pathogen from one host to another is a

Accepted Answer

A)  fomite.
B)  carrier.
C)  vector.
D)  reservoir.
E)  source.F) None of the above
G) C) and D)

Question 6

_____ carriers are shedding and transmitting pathogen while they are recovering from an infectious disease.

Accepted Answer

Convalescent

Question 7

The subjective evidence of disease sensed by the patient is termed

Accepted Answer

A)  syndrome.
B)  symptom.
C)  sign.
D)  pathology.
E)  inflammation.F) C) and D)
G) All of the above

Question 8

A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.

Accepted Answer

A) True 
 B)False

Question 9

Endogenous infectious agents arise from microbes that are

Accepted Answer

A)  in food.
B)  the patient's own normal flora.
C)  on fomites.
D)  in the air.
E)  transmitted from one person to another.F) A) and D)
G) B) and E)

Question 10

All of the following are correct about mechanical vectors, except

Accepted Answer

A)  cockroaches are an example.
B)  the vector can carry the pathogen on its feet and mouthparts.
C)  the vector is important to the life cycle of the infectious agent.
D)  they can spread viral, bacterial, protozoan, and worm infections.
E)  some, like flies feed on garbage and feces.F) None of the above
G) A) and B)

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Compare and contrast exotoxins and endotoxins with regard to their: a) chemical nature, b) source, c) effects on human body cells and resulting symptoms, and d) examples.

Accepted Answer

a) Chemical nature:
Exotoxins are protei...

Question 13

Reservoirs include

Accepted Answer

A)  humans
B)  animals
C)  soil
D)  water
E)  All of the choices are correctF) B) and D)
G) A) and E)

Question 14

Which of the following is correct about skatole?

Accepted Answer

A)  It is the general term for the flora of the gastrointestinal tract.
B)  It is a mixture of amines and gases that gives feces its characteristic stench.
C)  It is another term for the sexually transmitted disease, syphilis.
D)  It is a general term for the endogenous flora in humans.
E)  It is a chemical released by gram positive bacilli during inflammation.F) A) and B)
G) A) and D)

Question 15

Septicemia means that a pathogen is present and multiplying in the blood.

Accepted Answer

A) True 
 B)False

Question 16

A _____ is an infection indigenous to animals that can, on occasion, be transmitted to humans.

Accepted Answer

The answer of A _____ is an infection indigenous to...

Question 17

The Centers for Disease Control and Prevention assigns the most virulent microbes known to cause human disease to biosafety level 4.

Accepted Answer

A) True 
 B)False  True

Question 18

The human body typically begins to be colonized by its normal flora

Accepted Answer

A)  before birth, in utero.
B)  during, and immediately after birth.
C)  when a child first goes to school.
D)  when an infant gets its first infectious disease.
E)  during puberty.F) A) and B)
G) A) and C)

Question 19

Which of the following is an example of vertical transmission?

Accepted Answer

A)  Drinking contaminated water.
B)  A sneeze transmitting a cold.
C)  Oral-fecal transmission involving a diaper.
D)  A mosquito bite.
E)  A mother transmitting syphilis to her fetus.F) A) and D)
G) B) and D)

Question 20

The principal government agency responsible for tracking infectious diseases in the United States is the

Accepted Answer

A)  Centers for Disease Control and Prevention.
B)  World Health Organization.
C)  National Institutes of Health.
D)  United States Department of Agriculture.
E)  Infection Control Committee.F) B) and E)
G) B) and D)

Exam 13: Microbe-Human Interactions: Infection, Disease, and Epidemiology

Some diseases can be vertically transmitted.This is understood to mean the disease is transmitted

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

The number of new cases of a disease in a population over a specific period of time compared with the healthy population is the

Correct AnswerverifiedShow Answer

A disease that has a steady frequency over time in a population is

Correct AnswerverifiedShow Answer

An animal, such as an arthropod, that transmits a pathogen from one host to another is a

Correct AnswerverifiedShow Answer

_____ carriers are shedding and transmitting pathogen while they are recovering from an infectious disease.

Correct AnswerverifiedConvalescent

The subjective evidence of disease sensed by the patient is termed

Correct AnswerverifiedShow Answer

A fetus can get an infection when a pathogen in the mother's blood is capable of crossing the placenta to the fetal circulation and tissues.

Correct AnswerverifiedShow Answer

Endogenous infectious agents arise from microbes that are

Correct AnswerverifiedShow Answer

All of the following are correct about mechanical vectors, except

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

Correct AnswerverifiedShow Answer

Compare and contrast exotoxins and endotoxins with regard to their: a) chemical nature, b) source, c) effects on human body cells and resulting symptoms, and d) examples.

Correct AnswerAnswered by ExamLex AIa) Chemical nature:Exotoxins are protei...View AnswerShow Answer

Reservoirs include

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Which of the following is correct about skatole?

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Septicemia means that a pathogen is present and multiplying in the blood.

Correct AnswerverifiedShow Answer

A _____ is an infection indigenous to animals that can, on occasion, be transmitted to humans.

Correct AnswerverifiedShow Answer

The Centers for Disease Control and Prevention assigns the most virulent microbes known to cause human disease to biosafety level 4.

Correct AnswerverifiedTrue

The human body typically begins to be colonized by its normal flora

Correct AnswerverifiedShow Answer

Which of the following is an example of vertical transmission?

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The principal government agency responsible for tracking infectious diseases in the United States is the

Correct AnswerverifiedShow Answer

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C

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Convalescent

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Answered by ExamLex AI
a) Chemical nature:
Exotoxins are protei...
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True

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