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Human Body & Health

Which risk increases when arterioles in hypertensive crisis undergo vasoconstriction?

A)Reduced systemic oxygen delivery
B)Increased glomerular filtration rate
C)Decreased cardiac preload reserve
D)Reduced cerebral spinal fluid pressure

💡 Explanation

Reduced systemic oxygen delivery increases because increased arteriolar resistance from vasoconstriction overwhelms oxygen supply through reduced capillary perfusion; therefore cellular hypoxia risks increase rather than increasing filtration because autoregulation fails in extreme pressure increasing tissue damage.

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