mark kilek-micrrobiology ATI 305-capstone week-testbank

Microbiology: An Introduction, 12e (Tortora)
Chapter 14 Principles of Disease and Epidemiology

14.1 Multiple-Choice Questions

1) A commensal bacterium
A) does not receive any benefit from its host.
B) is beneficial to its host.
C) may also be an opportunistic pathogen.
D) isn't capable of causing disease in its host.
E) always causes disease in its host.
Answer: C
Section: 14.2
Bloom's Taxonomy: Comprehension
ASMcue Outcome: 5.4
Learning Outcome: 14.3
Global Outcome: 2

2) Which of the following statements is TRUE?
A) Both members are harmed in a symbiotic relationship.
B) Members of a symbiotic relationship cannot live without each other.
C) A parasite is not in symbiosis with its host.
D) Symbiosis always refers to different organisms living together and benefiting from each
other.
E) At least one member must benefit in a symbiotic relationship.
Answer: E
Section: 14.2
Bloom's Taxonomy: Comprehension
ASMcue Outcome: 5.4
Learning Outcome: 14.3
Global Outcome: 2

3) A nosocomial infection is
A) always present, but is inapparent at the time of hospitalization.
B) acquired during the course of hospitalization.
C) always caused by medical personnel.
D) only a result of surgery.
E) always caused by pathogenic bacteria.
Answer: B
Section: 14.7
Bloom's Taxonomy: Knowledge
ASMcue Outcome: 5.4
Learning Outcome: 14.15




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,4) The major significance of Robert Koch's work is that
A) microorganisms are present in a diseased animal.
B) diseases can be transmitted from one animal to another.
C) microorganisms can be cultured.
D) microorganisms cause disease.
E) microorganisms are the result of disease.
Answer: D
Section: 14.3
Bloom's Taxonomy: Knowledge
ASMcue Outcome: 7.4
Learning Outcome: 14.5
Global Outcome: 5

5) Which of the following is NOT a verified exception in the use of Koch's postulates?
A) Some diseases have poorly defined etiologies.
B) Some pathogens can cause several disease conditions.
C) Some human diseases have no other known animal host.
D) Some diseases are not caused by microbes.
E) Some diseases are noncommunicable.
Answer: E
Section: 14.3
Bloom's Taxonomy: Comprehension
ASMcue Outcome: 7.4
Learning Outcome: 14.5
Global Outcome: 5

6) Which of the following diseases is NOT spread by droplet infection?
A) botulism
B) tuberculosis
C) measles
D) the common cold
E) diphtheria
Answer: A
Section: 14.6
Bloom's Taxonomy: Knowledge
Learning Outcome: 14.14




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, 7) Biological transmission differs from mechanical transmission in that biological transmission
A) occurs when a pathogen is carried on the feet of an insect.
B) involves fomites.
C) involves reproduction of a pathogen in an arthropod vector prior to transmission.
D) requires direct contact.
E) works only with noncommunicable diseases.
Answer: C
Section: 14.6
Bloom's Taxonomy: Comprehension
ASMcue Outcome: 5.4
Learning Outcome: 14.14

8) 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
Answer: B
Section: 14.4
Bloom's Taxonomy: Knowledge
Learning Outcome: 14.7

9) Focal infections initially start out as
A) sepsis.
B) bacteremia.
C) local infections.
D) septicemia.
E) systemic infections.
Answer: C
Section: 14.4
Bloom's Taxonomy: Knowledge
ASMcue Outcome: 5.4
Learning Outcome: 14.8

10) 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.
Answer: C
Section: 14.4
Bloom's Taxonomy: Comprehension
ASMcue Outcome: 6.3
Learning Outcome: 14.9
Global Outcome: 5
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Copyright © 2016 Pearson Education, Ltd.