Multiple choice general knowledge

What immune cells does the HIV (Human Immunodeficiency Virus) infect?

  1. CD4 positive (T –4 lymphocytes)

  2. Macrophages

  3. CD4 Negative (T –4 lymphocytes)

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

HIV primarily infects CD4 positive T-lymphocytes (helper T cells), which are crucial for immune system function. It can also infect macrophages and dendritic cells. HIV does not infect CD4 negative cells. Therefore option D (Both A and B) is correct because it includes both CD4 positive T-cells and macrophages.

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