Author Question: The secondary immune response A) is activated during initial exposure to an invasion. B) is ... (Read 88 times)

Haya94 · **on:** Jun 21, 2018

The secondary immune response

A) is activated during initial exposure to an invasion.
B) is less robust than the primary immune response.
C) is far more rapid than primary immune response.
D) is activated if the primary immune response fails.

Question 2

Immunity occurs when

A) memory lymphocytes persist after initial exposure to a virus.
B) antigens build up.
C) antibody levels fall.
D) interferon is transferred from one person to another.