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T or F Quiz
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Choose T or F

1
Symptoms are subjective changes, such as pain and loss of appetite, that are personally experienced by the patient.
A)True
B)False
2
The prodromal stage is the period in which there is an onset of symptoms, but they are not yet specific enough to make a diagnosis.
A)True
B)False
3
The incubation period is similar for all disease.
A)True
B)False
4
An infectious disease epidemic is usually a long-term increase in the occurrence of the disease in a particular population.
A)True
B)False
5
Herd immunity is not of an individual's own making, but instead arises because of membership in the group.
A)True
B)False
6
An antigenic shift can be so extensive that the pathogen is no longer recognized by the host's immune system.
A)True
B)False
7
A reservoir is never synonymous to a source.
A)True
B)False
8
It is equally important that the pathogen escapes from its host as it is that the pathogen originally contacts and enters the host.
A)True
B)False
9
Microorganisms usually employ active escape mechanisms.
A)True
B)False
10
Periodic outbreaks in recent years of E. coli O157:H7 have been related to consumption of unpasteurized juice.
A)True
B)False
11
Among weapons of mass destruction, biological weapons are more destructive than chemical weapons, including nerve gas.
A)True
B)False
12
Vaccines are the best way to protect the civilian population from bioterrorism.
A)True
B)False
13
All vaccines may be safely administered simultaneously without any decrease in effectiveness.
A)True
B)False
14
Nosocomial infections occur in 5-10% of hospitalized patients and commonly are due to endogenous sources.
A)True
B)False





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