Chapter 14 Principles of Disease and Epidemiology Flashcards


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1

A cold transmitted by a facial tissue is an example of

A) direct contact.
B) droplet transmission.
C) fomite.
D) vector.
E) vehicle transmission

fomite

2

A disease in which the causative agent remains inactive for a time before producing symptoms is referred as

A) subacute
B) subclinical
C) latent
D) zoonotic
E) acute

Latent

3

A nosocomial infection is

Acquired during the course of hospitalization

4

Biological transmission differs from mechanical transmission in that biological transmission

Involves reproduction of a pathogen in an arthropod vector prior to transmission

5

Both normal and transient flora can become opportunistic pathogens.

True

6

Focal infections initially start out as

A) sepsis.
B) bacteremia.
C) local infections.
D) septicemia.
E) systemic infections.

Local infections

7

If a prodromal period exists for a certain disease, is should occur prior to

A) incubation.
B) illness.
C) decline.
D) convalescence.

Illness

8

In which of the following patterns of disease does the patient experience no signs or symptoms?

A) prodromal
B) decline
C) convalescence
D) incubation
E) incubation and convalescence

Incubation and convalescence

9

MMWR is a publication by the CDC that reports on only emerging diseases.

False

10

Pseudomonas bacteria colonized the bile duct of a patient following his liver transplant surgery. The is an example of a

Nosocomial infection

11

Reservoirs of infections are always animate object.

False

12

Symptoms of disease differ from signs of disease in that symptoms

Are changes felt by the patient

13

The CDC is located in

Atlanta, GA

14

The rise in herd immunity amongst a population can be directly attributed to

A) increased use of antibiotics.
B) improved handwashing.
C) vaccinations.
D) antibiotic-resistant microorganisms.
E) None of the answers is correct.

Vaccinations

15

The science that deals with when diseases occur and how they are transmitted is called

Epidemiology

16

Transient microbiota differ from normal microbiota in that transcient microbiota

A) Cause diseases.
B) Are found in a certain location on the host.
C) Are acquired by direct contact.
D) Are present for a relatively short time.
E) None of the above.

Are present for a relatively short time

17

Which of the following definitions is incorrect?

A) Acute a short-lasting primary infection
B) Inapparent infection characteristic of a carrier state
C) Chronic a disease that develops slowly and lasts for months
D) Primary infection an initial illness
E) Secondary infection a long-lasting illness

Secondary infection: a long lasting illness

18

Which of the following definitions is incorrect?

A) endemic: a disease that is constantly present in a population
B) epidemic: a disease that is endemic across the world
C) pandemic: a disease that affects a large number of people in the world in a short time
D) sporadic: a disease that affects a population occasionally
E) incidence: number of new cases of a disease

Epidemic: a disease that is endemic across the world

19

Which of the following is fomite?

A) water
B) droplets from a sneeze
C) pus
D) insects

Insects

20

Which of the following statements is False?

A) Antimicrobial therapy for hemodialysis-associated infections increases antibiotic resistance.
B) The USA100 strain accounts for most hospital-acquired MRSA.
C) The USA300 strain accounts for most community-acquired MRSA.
D) The M in MRSA stands for mannitol.
E) S. aureus is differentiated from other mannitol+ cocci by the coagulase test.

M in MRSA stands for mannitol