Q. At which stage of HIV infection does one usually shows symptoms of AIDS?
A) When viral DNA is produced by reverse transcriptase
B) When HIV replicates rapidly in helper T-lymphocytes and damages large number of these
C) With 15 days of sexual contact with an infected person
D) When the infecting retrovirus enters host cells
Explanation
HIV,enters into T-lymphocytes, replicates and produces progeny viruses. The progenyviruses released in the blood and damagesother helper T-lymphocytes. This is repeated leading to a progressive decrease in the number of T-lymphocytes in the body of the infected person. During this period, the person suffers from bouts of feverdiarrhoeaand weight loss. The person starts suffering from infections.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.