Human Health and Diseases Question 63
63. The cell-mediated immunity inside the human body is carried out by :
[NEET 2013]
(a) B-lymphocytes
(b) Thrombocytes
(c) Erythrocytes
(d) T-lymphocytes
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Answer : d
Hints & Solutions
(d) $T-$ lymphocytes mediates cell mediated immunity (CMI). It is one of the two types of acquired immunity responsible for graft or transplant rejection. Type IV hypersensitivity is often called delayed type hypersensitivity as the reaction takes two to three days to develop after graft rejection.
