Human immunodeficiency virus (HIV) affets_______________?
Correct answer: C. Helper T lymphocytes (CD4)
- A. Red blood cells
- B. Fibroblasts
- C. Helper T lymphocytes (CD4)
- D. Mast cells
Explanation
HIV preferentially infects CD4 helper T lymphocytes through the CD4 receptor and chemokine co-receptors, progressively weakening cell-mediated immunity. Red blood cells and mast cells are not its principal target cells.
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