Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 4 PCB Single Correct MCQ
Published on: August 14, 2026

When a person encounters HIV, the person becomes so immuno deficient that he/she would be unable to protect herself/himself against various infections. The person's immunity is deficient due to

A
decrease in the number of helper T-lymphocytes
B
increase in the amount of interferons
C
decrease in the number of macrophage cells
D
increase in the certain types of leukocytes

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The correct answer is:
A

The HIV progeny in the blood attack helper T-lymphocytes. Due to decrease in the number of helper T-lymphocytes, the person starts suffering from many infectious disease such as tuberculosis, taxoplasmosis, etc.

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