Active Immunity Involves All of the Following Except

question 27

Multiple Choice

Active immunity involves all of the following except

• A) exposure to a pathogen either naturally or by vaccination.
• B) memory B cells responding to a second exposure to the same pathogen.
• C) receiving mother's antibodies through the placenta and breast-feeding.
• D) passive or active mechanisms.
• E) the stimulation of a nonspecific immune defense.

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Definitions:

Experimenters

Individuals who conduct research or trials to test hypotheses and observe outcomes.

Stands Alone

An entity or object that operates independently or exists without the need for external support or group inclusion.

Walks

The act of moving at a regular pace by lifting and setting down each foot in turn, not having one foot leave the ground before another touches it.

Months Old

A measure of age, especially used for infants and young children, expressed in how many months they have lived since birth.