Which of the following statements is true with respect to the perfusion of the m

Question

Which of the following statements is true with respect to the perfusion of the myocardium (heart muscle) and skeletal muscle?

Which of the following statements is true with respect to the perfusion of the myocardium (heart muscle) and skeletal muscle? Note that systole refers to the phase of ventricular contraction; diastole is the phase of ventricular relaxation. Myocardial perfusion is greatest during diastole, while skeletal muscle perfusion is greatest during systole. Myocardial perfusion is greatest during systole, while skeletal muscle perfusion is greatest during diastole O Both myocardial and skeletal muscle perfusion are greatest during systole O Both myocardial and skeletal muscle perfusion are greatest during diastole.

Explanation / Answer

Option A

Myocardial perfusion is more during diastole because during systole due to ventricular contraction causes squeezing of coronary vessels less flow in coronary arteries there fore more

supply occurs during diastole

Where as in skeletal muscle flow is more during systole

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