Which of the following activate/s B cells?
a) interleukin-I
b) interleukin-2
c) histamine
d) perforins
After early embryonic development, the newly forming T cells migrate to…….for processing.
a) spleen
b) bone marrow
c) thymus
d) hypothalamus
Which of the following are the types of T cells?
a) cytotoxic cells
b) helper and suppressor cells
c) memory cells
d) all of these
Which of the following T cells triggers the destruction of the pathogen’s DNA?
a) cytotoxic T cells
b) helper T cells
c) memory T cells
d) suppressor T cells
Which of the following T cells secrete interlukin 2 which stimulates the division of T and B cells?
a) cytotoxic T cells
b) helper T cells
c) memory T cells
d) suppressor T cells
Which of the following T cells shut down the immune response?
a) cytotoxic T cells
b) helper T cells
c) memory T cells
d) suppressor T cells
