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CDC A4E051 Vol. 2

Terms in this set (50)

A primary, or definitive, host is one in which a disease organism
a. attains its maturity and goes through its sexual or reproductive stage.
b. becomes most easily identified by laboratory tests.
c. has not yet invaded an intermediate host.
d. enters the larval stage.
attains its maturity and goes through its sexual or reproductive stage
The person or animal that harbors a disease agent, but has no clinical signs of the disease is known as a/an
a. host.
b. agent.
c. carrier.
d. organism.
carrier
In a host-agent relationship, the ability of an agent to produce clinical disease in a host is its
a. virulence.
b. infectivity.
c. penetrability.
d. pathogenicity.
pathogenicity.
In a host-agent relationship, all of the following are types of agents except
a. fungi.
b. metazoa.
c. virulence.
d. rickettsia.
virulence.
Diseases such as rabies are spread using this type of direct transmission mode.
a. Direct contact.
b. Airborne contact.
c. Vectorborne contact.
d. Vehicleborne contact.
Direct contact.
This is not a general health status factor for determining disease occurrence.
a. Preexisting disease.
b. Physiological state.
c. Behavioral factors.
d. Nutritional status.
Behavioral factors.
In countries where pork is eaten, individuals may be at risk of trichinosis infection when the pork is undercooked. Which intrinsic disease occurrence factor is this an example of?
a. Diet.
b. Personal hygiene.
c. Physiological state.
d. Preexisting disease.
Diet.
Using what is called night soil as a fertilizer allows the transmission of such diseases as typhoid, dysentery, amebiasis, and hepatitis. Preventing the transmission of these diseases involves
a. proper human waste disposal.
b. good household hygiene.
c. good personal hygiene.
d. occupational hazards.
proper human waste disposal.
This environmental factor has the greatest effect on hay fever sufferers.
a. Social.
b. Climate.
c. Geography.
d. Physiological.
Climate.
Which environmental factor is a medicinal source, such as Quinine that comes from tree bark and is used to treat malaria?
a. Social.
b. Climate.
c. Biological.
d. Geography.
Biological.
Which factor contributes to the emergence of new infectious disease or the reemergence of old diseases?
a. Financial stability.
b. Societal disruptions.
c. Geographic stabilization.
d. US Air Forces durability.
Societal disruptions.
Which term is used to define numeric facts or data that have been assembled, classified, and tabulated to present significant information about a given subject?
a. Statistics.
b. Median.
c. Mode.
d. Mean.
Statistics.
Which statistical term is most commonly used as a measurement of central tendency?
a. Rate.
b. Mean.
c. Mode.
d. Median.
Mean.
Using statistics, the mode for numbers 6, 18, 26, 14, 12, 19, 20, and 26 is
a. 17.625.
b. 18.5.
c. 19.25.
d. 26.
26
Using statistics, the median of the numbers 3, 3, 5, 7, 8, 9, and 12 is
a. 3.
b. 6.71.
c. 7.
d. 8.21
7
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