Biology 5090 · O Level · Immunity

Immunity — practice question

How does the human immunodeficiency virus (HIV) affect the immune system?

  • Aimmune system becomes weaker; antibody production decreases; number of lymphocytes decreases
  • Bimmune system becomes weaker; antibody production increases; number of lymphocytes increases
  • Cimmune system becomes stronger; antibody production decreases; number of lymphocytes decreases
  • Dimmune system becomes stronger; antibody production increases; number of lymphocytes increases

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