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← Human Body & HealthWhy does sustained hypertension typically lead to increased fluid filtration into tissues and peripheral edema?
A)Increased lymphatic vessel contraction
B)Reduced capillary oncotic pressure
C)Elevated capillary hydrostatic pressure✓
D)Decreased interstitial fluid pressure
💡 Explanation
Hypertension increases hydrostatic pressure within capillaries, driving more fluid out into the interstitial space via increased filtration. This overwhelms lymphatic drainage, causing edema, because the increased capillary hydrostatic pressure drives fluid out, therefore C is correct, rather than decreased interstitial pressure reducing edema.
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