Prior to leaving on a backpacking trip to Southeast Asia, a college student has received a tetanus booster shot. This immunization confers protection by way of what immune process?
A) Secondary humoral response
B) Cell-mediated immune response
C) Primary humoral response
D) Innate immunity
Ans: A
Feedback:
Booster immunizations make use of the memory, or secondary, response that is a component of humoral immunity. A primary response occurs on first exposure to an antigen. This immunization does not make use of the cell-mediated immune response of innate immunity.
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