試題詳解

20. Which of the following statements accurately describe immunological memory? (Select all that apply.)
(A)) The host retains the capacity to mount a faster and stronger secondary immune response.
(B) The host can respond to a pathogenn many ma years after the primary exposure.
(C) Memory T cells express higher-affinity receptors than naive T celis.
(D) Memory B cells produce higher-affinity antibodies than naïve B cells.
(E) Memory T cells enress CDASR A