Question 1

The initial,brief period of early,general symptoms such as fatigue and muscle aches is the

Accepted Answer

A)  prodromal stage.
B)  convalescent stage.
C)  incubation period.
D)  period of invasion.E) B) and C)
F) A) and B)

Question 2

A pathologic state begins with contact with a microbe.

Accepted Answer

A) True 
 B)False

Question 3

Leukopenia is the _____ in the level of white blood cells in a patient.

Accepted Answer

A)  elevation
B)  stabilization
C)  decrease
D)  abnormal productionE) A) and B)
F) B) and D)

Question 4

Which of the following is not a factor that weakens host defenses against infections?

Accepted Answer

A)  genetic defects in immunity
B)  physical and mental stress
C)  strong,healthy body
D)  chemotherapy
E)  old ageF) B) and D)
G) A) and B)

Question 5

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 vectors.F) B) and D)
G) A) and D)

Question 6

Opportunistic pathogens

Accepted Answer

A)  cause disease in every individual.
B)  cause disease in compromised individuals.
C)  are always pathogens.
D)  have well-developed virulence factors.E) A) and B)
F) B) and C)

Question 7

Which of the following is a mismatched term and description?

Accepted Answer

A)  secondary infection - infection spreads to several tissue sites
B)  mixed infection - several agents established at infection site
C)  acute infection - rapid onset of severe,short-lived symptoms
D)  local infection - pathogen remains at or near entry site
E)  toxemia - pathogen's toxins carried by the blood to target tissuesF) None of the above
G) A) and D)

Question 8

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) A) and B)
F) A) and D)

Question 9

Which term-definition pair is mismatched?

Accepted Answer

A)  fimbriae - adherence to substrate
B)  capsules - antiphagocytic factor
C)  coagulase - dissolve fibrin clots
D)  leukocidins - damage white blood cells
E)  hemolysins - damage red blood cellsF) B) and D)
G) C) and E)

Question 10

Keratinase has the greatest effect on the

Accepted Answer

A)  respiratory system.
B)  gastrointestinal system.
C)  urinary system.
D)  genital system.
E)  skin.F) A) and D)
G) C) and E)

Question 11

Reservoirs include

Accepted Answer

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

Question 12

The suffix -emia means

Accepted Answer

A)  blood.
B)  a disease or morbid process.
C)  an inflammation.
D)  tumor.
E)  pertaining to.F) B) and C)
G) A) and E)

Question 13

An inanimate object that harbors and transmits a pathogen is a

Accepted Answer

A)  fomite.
B)  carrier.
C)  vector.
D)  reservoir.
E)  source.F) B) and E)
G) C) and D)

Question 14

The suffix -osis means

Accepted Answer

A)  blood.
B)  a disease or morbid process.
C)  an inflammation.
D)  tumor.
E)  pertaining to.F) A) and B)
G) B) and D)

Question 15

Exotoxins

Accepted Answer

A)  are secreted by pathogenic organisms.
B)  are bound to the membrane of pathogenic organisms.
C)  are bound to the cell wall of pathogenic organisms.
D)  cause more damage than endotoxins.
E)  are host specificF) A) and E)
G) B) and C)

Question 16

The skin's resident biota are localized to only the outermost superficial layer of the epidermis.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following does not illustrate the use of universal precaution methods in the handling of patients and body substances?

Accepted Answer

A)  mask and gloves
B)  proper disposal of needles
C)  healthcare worker with active,open lesions handling patients
D)  hand washing
E)  sterilizing or disinfection of dental hand piecesF) B) and E)
G) A) and C)

Question 18

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 rate.E) A) and B)
F) B) and C)

Question 19

Which genus is the most common resident biota of mouth surfaces?

Accepted Answer

A)  Lactobacillus
B)  Streptococcus
C)  Haemophilus
D)  Escherichia
E)  MycobacteriumF) C) and D)
G) A) and D)

Question 20

When an infected person is in the incubation period,that person cannot transmit the pathogen to others.

Accepted Answer

A) True 
 B)False

Exam 13: Microbe-Human Interactions: Infection and Disease

Keratinase has the greatest effect on the

Correct AnswerverifiedShow Answer

The skin's resident biota are localized to only the outermost superficial layer of the epidermis.

Correct AnswerverifiedShow Answer

The suffix -emia means

Correct AnswerverifiedShow Answer

The suffix -osis means

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Which of the following is not a factor that weakens host defenses against infections?

Correct AnswerverifiedShow Answer

Opportunistic pathogens

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An inanimate object that harbors and transmits a pathogen is a

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Leukopenia is the _____ in the level of white blood cells in a patient.

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Exotoxins

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Reservoirs include

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

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Which genus is the most common resident biota of mouth surfaces?

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The initial,brief period of early,general symptoms such as fatigue and muscle aches is the

Correct AnswerverifiedShow Answer

When an infected person is in the incubation period,that person cannot transmit the pathogen to others.

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

Which of the following is a mismatched term and description?

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

Which of the following does not illustrate the use of universal precaution methods in the handling of patients and body substances?

Correct AnswerverifiedShow Answer

A pathologic state begins with contact with a microbe.

Correct AnswerverifiedShow Answer

Which term-definition pair is mismatched?

Correct AnswerverifiedShow Answer

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