Neet Solved Paper 2013 Question 83
Question: The cell-mediated immunity inside the human body is carried out by
Options:
A) T-lymphocytes
B) B-lymphocytes
C) thrombocytes
D) erythrocytes
Show Answer
Answer:
Correct Answer: A
Solution:
- T-lymphocyte receptors can recognize only antigen that bound to cell membrane proteins. These lymphocytes mediate CMl (cell mediated immunity). B-lymphocytes are the major effector molecules of humoral immunity, Erythrocytes are red blood cells. Thrombocytes or platelets secrete factors that are involved in vascular repair.