Injury to a cell membrane causes the local release of histamine. What does histamine do?
A) Stimulates pain perception
B) Causes vasoconstriction
C) Decreases capillary permeability
D) Inhibits phagocytosis
A
Feedback:
Pain comes from the activation of pain fibers by histamine and the kinin system, occurring any time a cell is injured. Histamine also causes vasodilation, increases capillary permeability, and facilitates phagocytosis.
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