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| Q. |
Coronary circulation: |
| A. | left coronary artery has greater flow in 50% of people |
| B. | thebesian veins connect arterioles to the heart chambers |
| C. | cusps of the aortic valve occlude orifices of coronary arteries during LV ejection |
| D. | coronary flow at rest is 250ml/min |
| E. | at rest, heart extracts 50% O2 / unit of blood delivered |
| Answer» D. coronary flow at rest is 250ml/min | |
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