[Solved] With respect to the blood supply of the hearts, which answer is INCORRECT?

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Q.	With respect to the blood supply of the hearts, which answer is INCORRECT?
A.	the left coronary artery and its branches are the main blood supply to the interventricular septum
B.	the coronary sinus receives the great cardiac vein
C.	anterior cardiac veins drain directly into the right atrium
D.	the sinoatrial nodes is, in a majority of cases, supplied by the left coronary artery
E.	the right coronary artery gives off a marginal branch at the inferior border of the heart
Answer» D. the sinoatrial nodes is, in a majority of cases, supplied by the left coronary artery

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