An inflammatory response is triggered when
A) red blood cells release pyrogens.
B) T cells release interferon.
C) mast cells release histamine and heparin.
D) neutrophils phagocytize bacteria.
E) blood flow to an area increases.

Question

Quizplus · Accepted Answer

Mast cells release histamine and heparin during an inflammatory response, which leads to increased blood flow and permeability of blood vessels, and also attracts other immune cells to the site of infection or injury.

An Inflammatory Response Is Triggered When