Question

multiple choice question
cellular immunity is mediated mainly by ____ cells, while humoral immunity is mediated mainly by ____ cells.

b, nk
t, b
b, t
nk, t

Explanation:

Cellular immunity (cell - mediated immunity) is mainly mediated by T cells, which can directly attack infected or abnormal cells. Humoral immunity is mainly mediated by B cells, as B cells produce antibodies that circulate in the body's fluids (humors) to neutralize pathogens. Among the options, the pair that correctly represents cellular immunity - mediating cells and humoral immunity - mediating cells is T (for cellular) and B (for humoral).

Answer:

B. T, B