Multiple choice

What are the chemicals produced by macrophages during infection?

  1. Lymphokines

  2. Heparin

  3. Cytokines

  4. Hydrogen peroxide

  5. Histamine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cytokines are small proteins which allow cells of the immune system to communicate with one another via cytokine receptors expressed at the cell surface. Interleukin 6 is a pro-inflammatory cytokine and is produced by macrophages in response to infection and tissue injury. IL-6 exerts its effects on multiple cell types and can act systemically.

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