Immune System - Medical Science

Q1:

Large parasites such as helminthes may be killed extracellularly by the action of

A basophils

B monocytes

C eosinophils

D neutrophils

ANS:C - eosinophils

Eosinophils kill a variety of helminth parasites and some protozoan parasites in vitro by antibody- or complement-dependent mechanisms.


Nevertheless, direct evidence of in vivo parasite killing by eosinophils is scanty.