Friday, January 9, 2015

d. Small arteries and arterioles.

Under normal circumstances, the largest drop in blood pressure in the systemic circulatory system occurs in the:


a. Vena cava.
b. Small and large veins and venules.
c. Aorta.
d. Small arteries and arterioles.
e. Capillaries and venules.


The answer is d. The small arteries and arterioles have the highest resistance and therefore cause the largest drop in pressure along this segment of the vascular system.

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