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NEET Previous Year Question

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

Topic: NEET PYQ

Answer: C. Full step-by-step solution below.

A $Within 15 days of sexual contact with an infected person$
B $When the infected retro virus enters host cells$
C $When HIV damages a large number of T- cells$
D $When the viral DNA is produced by reverse transcriptase$

Correct answer: C

Solution

(c) AIDS symptoms appear when HIV has destroyed many helper T-lymphocytes (CD_{4}^{+} cells), causing severe weakening of the immune system.

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