NEET Previous Year Question
At which stage of HIV infection does one usually show symptoms of AIDS?
Topic: NEET PYQ
Answer: C. Full step-by-step solution below.
- AWithin 15 days of sexual contact with an infected person.
- BWhen the infected retro virus enters host cells.
- CWhen HIV damages large number of helper T-Lymphocytes.
- DWhen the viral DNA is produced by reverse transcriptase.
Correct answer: C
Solution
(c) AIDS symptoms appear not immediately after infection, but only when HIV has destroyed a significant number of helper T-lymphocytes ( cells).Early stages: virus multiplies silently.
AIDS stage: immune system becomes very weak due to loss of helper T-cells.
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