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Question

Biology Question on human health and disease

AIDS is characterised by a sharp reduction in:

A

helper T-cells

B

killer T-cells

C

suppressor T-cellls

D

B-lymphocytes

Answer

helper T-cells

Explanation

Solution

AIDS which caused by HIV is a disorder of cell mediated immune sysem of the body. There is a reduction in the number of helper-T-cells which stimulate antibody production by B cells. This results in the loss of natural defense against viral infection.