Histamine exerts its effect during inflammation by
A. vasoconstriction of post capillary sphincters.
B. constriction of large arteries.
C. acting on H2 receptors on mast cells.
D. causing venular endothelial contraction.
E. its direct effect on macrophages
aanya.bansal Answered question August 20, 2024
The correct answer is: D. causing venular endothelial contraction.
Histamine is a key mediator of inflammation, and its effects include:
– D. Causing venular endothelial contraction: Histamine binds to H1 receptors on venular endothelial cells, leading to contraction and increased permeability, allowing fluid and proteins to leak into tissues.
aanya.bansal Answered question August 20, 2024