MCQ
HIV causes reduction of:
- AT-helper cells only
- BAll T-cells
- CB-cells only
- DBoth B and T-cells
Explanation:
The T helper cells are a type of T-cells that play an important role in the immune system, particularly in the adaptive immune system. They help the activity of other immune cells by releasing T cell cytokines.
When the HIV infects the man it enters into the T-helper cells for replication and they utilize metabolic mechanism from T- helper cells. By the viral replication, T-helper cells get damaged and their number is gradually reduced.
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