What step of inflammation is caused by histamine released from mast cells?
A) Macrophages engulf debris and foreign matter.
B) Foreign matter is contained.
C) Additional leukocytes are recruited to the region.
D) Infection is cleared by phagocytosis.
E) Capillaries dilate and become more permeable.

Question

Quizplus · Accepted Answer

Histamine released from mast cells causes capillaries to dilate and become more permeable, which is a key step in the inflammatory process, allowing immune cells and substances to move out of the bloodstream and into the tissue where they are needed.

What Step of Inflammation Is Caused by Histamine Released from Mast