What is humoral immunity based on? (Select all that apply.)
a. Production of antibodies by B cells
b. T cells are activated by an antigen
c. The body's response to an antigen
d. Sensitized T cells destroy the antigen
e. Helper T cells activate phagocytosis
ANS: A, C, E
Both types of immunity are in response to an antigen, In the humoral response helper T cells activate phagocytosis and the production of antibodies by the B cells. B cells are the main player in humoral response.
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