Multiple choice

Histamine is involved in local immune responses against the infections. Which among the following statements characterises histamines?

  1. Has no effect on the permeability of venules

  2. Constricts arterioles

  3. Upregulates IL-8

  4. Induces neutrophil chemotaxis

  5. Upregulates adhesion molecules on vascular endothelium
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Histamine upregulates P-selectin of vascular endothelium.

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