which of the followinf regarding nk cells is false?
a.nk cells are a type of neutrophil
b.nk cells attack cancer cells and virus infected bodycells,
c.nk cells are present in the bl, sppleen, lymph nodes, and redbone marrow.
d. nk cells attack cells that display abnormal mhc antigens.
innate imune system defense include
a.b cells
b. t cells
c.phagocytes
d.plasma cells
which of the following is not a function of the lymphaticsystem?
a.carrying out immune repsonse
b. transporting respiratory gases
c.transporting diertary fats
d.drainig excess interstitual fluid
which of the statements below does not describe antigens?
a. antigens can include prteins, nucleic acids,lipoproteins,glycoproteins, and certain large polysaccharides
b. the parts of antigen molecules that initiate immune responsesare called epitopes or antigenic determinants
c.antigens only come from microbes
d.antigens exhibit immunogenicity and reactivity
Lymph capillaries are absent in all but which of thefollowing?
a.digestiev organs
b.cns
c.bones and teeth
d. bone marrow
