Question

Which of the following is not secreted by basophils?

• A. Histamine
• B. Serotonin
• C. Heparin
• D. Serum

Answer 1

Answer:

D. Serum

• Basophils secrete histamine, serotonin and heparin which are involved in the inflammatory reactions.

• Histamine acts as a vasodilator while serotonin acts as a vasoconstrictor.