A portal of exit may be:
A) the nose
B) the mouth
C) skin punctured by a mosquito
D) all of these
Correct Answer:
Verified
Q71: A hospital patient whose urinary bladder infection
Q72: Potential sources of infectious disease include:
A)animals
B)food and
Q73: Mucous membrane tracts may be colonized by
Q74: A disease such as tetanus, which is
Q75: A potential source of infection for some
Q77: Intestinal pathogens are usually spread by the:
A)oral-oral
Q78: The time between the entry of a
Q79: A disease such as salmonella, which is
Q80: The incubation period of diseases:
A)varies with each
Q81: The pathogens that always cause disease by
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