Question

Histamine and heparin are produced by:

• A. Monocytes
• B. Neutrophils
• C. Basophils
• D. Eosinophils

Answer 1

Answer:

A. Monocytes

• Mast cells is a type of granular basophil cells in the connective tissue, that releases heparin, histamine and serotonin during inflammation and allergic reactions.

• During allergic reactions, basophils release two enzymes: histamine and heparin.

• Histamine enlarges your blood vessels to improve blood flow and heal the affected area.