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Physiology Cardiovascular system 66812214

Coronary blood flow, true is

A
250ml/min
B
Maximum during systole
C
Adenosine decreases it
D
More than skin
High-Yield Explanation
Coronary flow at rest in humans is about 250 mL/min (5% of the cardiac output).Consequently, flow occurs in the aeries supplying the subendocardial poion of the left ventricle only during diastoleAdenosine cause coronary vasodilation and decrease flowCutaneous blood flow is about 10-15 mL/min/cutaneous tissue whereas in hea it is 70mL/100g tissue/minRef: Ganong's Review of Medical Physiology Twenty-Third Edition Page No:578

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