question about pressure in coronary artery

[pediadocto]

Patient has MI in LAD.
CO= 3.5
SBP=120mmHg
DBP=80mmHg
Left ventricular pressure= 15mmHg
What is the maximal force that moves blood from LAD to endocardium?
A. 65
B. 80
C. 120
D. 95

someone shared this in my old group and it has been bugging me to know the answer...

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