MCQ
$ \text{AIDS}$ is due to:
- ✓Reduction to number of helper $T-$cells.
- BReduction in number of killer $T-$cells.
- CAutoimmunity.
- DNon$-$production.
✓
Answer
Correct option: A.
Reduction to number of helper $T-$cells.
White blood cells are an important part of the immune system. $ \text{HIV}$ infects and destroys certain white blood cells called $CD_{4^+}$ cells. If too many $CD_{4^+}$ cells are destroyed, the body can no longer defend itself against infection.
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