Multiple choice

AIDS (Acquired immune deficiency syndrome) is a disease caused by a virus called HIV (Human Immunodeficiency Virus). Which of the following is not helpful in the diagnosis of AIDS?

  1. CD4 numbers

  2. CD8 numbers

  3. Skin tests to bacterial antigens

  4. Lymph node biopsy

  5. Serum p24 antigen
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CD8 numbers are largely unaffected. It is the ratio of CD4:CD8 that falls dramatically.

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