In the Circulatory System, the Largest Pressure Drop Occurs Across

Question

In the circulatory system, the largest pressure drop occurs across which blood vessels?
A) venules
B) veins
C) arterioles
D) arteries
E) capillaries

Accepted Answer

The largest pressure drop in the circulatory system occurs across the arterioles. This is because arterioles are the primary site of vascular resistance, regulating blood flow through the tissues by constricting or dilating, which significantly affects blood pressure.