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Micro Chapter 14
Test Description: Micro Chapter 14
Instructions: Answer all questions to get your test result.
1) Which of the following statements is TRUE?
A
Both members are harmed in a symbiotic relationship.
B
At least one member must benefit in a symbiotic relationship.
C
Symbiosis always refers to different organisms living together and benefiting from each other.
D
Members of a symbiotic relationship cannot live without each other.
2) A healthcare-associated infection (traditionally known as a nosocomial infection) is
A
always caused by medical personnel.
B
only a result of surgery.
C
always present, but is inapparent at the time of hospitalization.
D
acquired during the course of hospitalization.
3) Which of the following diseases is NOT spread by droplet infection?
A
the common cold
B
tuberculosis
C
measles
D
botulism
4) Which of the following definitions is INCORRECT?
A
incidence: number of new cases of a disease
B
endemic: a disease that is constantly present in a population
C
epidemic: a disease that is constantly present across the world
D
pandemic: a disease that affects a large number of people in the world in a short time
5) The rise in herd immunity amongst a population can usually be directly attributed to
A
increased use of antibiotics
B
vaccinations.
C
improved handwashing.
D
antibiotic-resistant microorganisms.
6) Which one of the following does NOT contribute to the incidence of healthcare-associated infections?
A
lapse in aseptic techniques
B
lack of handwashing
C
gram-negative cell walls
D
lack of disinfecting surfaces
7) Which of the following is a fomite?
A
water
B
a hypodermic needle
C
insects
D
droplets from a sneeze
8) Which of the following definitions is INCORRECT?
A
acute: a short-lasting primary infection
B
primary infection: an initial illness
C
secondary infection: a long-lasting illness
D
chronic: a disease that develops slowly and lasts for months
9) The science that deals with when diseases occur and how they are transmitted is called
A
morbidity and mortality.
B
public health.
C
epidemiology.
D
ecology.
10) A cold transmitted by a facial tissue is an example of
A
fomite.
B
droplet transmission
C
direct contact.
D
vector.
11) A disease in which the causative agent remains inactive for a time before producing symptoms is referred to as
A
acute
B
latent.
C
zoonotic
D
subacute.
12) In which of the following patterns of disease does the patient experience no signs or symptoms?
A
prodromol
B
convalescence
C
incubation
D
Both incubation and convalescence
13) A burn patient is one example of a compromised host.
A
False
B
True
14) This term refers to a change in a state of health away from the norm
A
Pathogen
B
Disease
C
Epidemiology
D
Infection
15) This is how the disease develops
A
pathogenesis
B
infection
C
pathology
D
etiology
16) Koch's postulates include all of the following except:
A
The isolated organism, when injected into a human host, will produce the disease
B
The organism can subsequently be recovered from an experimentally infected animal
C
This microorganism can be isolated from specimens associated with the given disease
D
Inoculation of the isolate into a susceptible experimental animal will produce the disease
*select an answer for all questions
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