During the early stages of the inflammatory response, histamine induced increased vascular permeability is most likely to occur in:: (A) Arteries, (B) Precapillary arterioles, (C) Capillaries, (D) Postcapillary venules
Answer is D. Acute inflammation causes fluid and cells to leak out of blood vessels into the interstitial tissue because of increased permeability of postcapillary venules.