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Human Body & Health

Why does plaque buildup in arterial vessels increase the risk of hypertension more than a similar buildup in venous vessels?

A)Veins have lower oxygen partial pressures
B)Arterial walls lack valves
C)Veins contain less smooth muscle
D)Arteries experience higher hydrostatic pressures

💡 Explanation

Hypertension, or high blood pressure, is more associated with arterial plaque because arteries, rather than veins, experience significantly higher hydrostatic pressures from cardiac output. This greater pressure, compounded by vessel constriction due to plaque, dramatically increases overall systemic blood pressure; therefore, increased risk of hypertension is linked more to arterial plaque rather than venous plaque because of the pressure difference.

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