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At which stage of HIV infection does one...

At which stage of HIV infection does one usually show symptoms of AIDS?

A

Within 15 days of sexual contact with an infected person

B

When the infected retro virus enters host cells

C

When HIV damages large number of helper T-lymphocytes

D

When the viral DNA is produced by reverse transcnptase

Text Solution

Verified by Experts

The correct Answer is:
C
T-lymphocyte receptors can recognise only antigen that bound to cell membrane proteins. These lymphocytes mediate CMI (cell mediated immunity). B-lymphocytes are the major effector molecules of humeral immunity. Erythrocytes are red blood cells. Thrombocytes or platelets secrete factors, that are involved in vascular repair.
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