Portals of exit are
A) the various orifices of the human body.
B) limited to the respiratory and gastrointestinal tracts in humans.
C) any place on the body where a secretion occurs.
D) the areas of the body from which pathogens are shed.
E) the ways by which the body eliminates pathogens.
Correct Answer:
Verified
Q22: If it is stated that 7% of
Q23: Biological transmission refers to
A)the spread of a
Q24: Seroprevalence is defined as the
A)presence of antibodies
Q25: Which of the following statements is TRUE?
A)Epidemiologists
Q26: Which of the following statements is FALSE?
A)Epidemics
Q28: The collection and analysis of data on
Q29: If a baby acquires an infection from
Q30: Common vehicle transmission means that
A)the people have
Q31: If it is stated that 12% of
Q32: Which of the following definitions is FALSE?
A)An
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