The Nurse Studying Immunity Understands That Which Are Age-Related Changes

Multiple Choice

The nurse studying immunity understands that which are age-related changes in immune system functioning? (Select all that apply. )

A) Decreased number of lymphocytes
B) Decreased number of T suppressor cells
C) Atrophy of the thymic cortex
D) Increased numbers of antibodies to self-antigens
E) Decreased number of B cells