The aortic sinus
A)is the first branch off the ascending aorta.
B)gives rise to the right and left coronary arteries.
C)contains oxygenated blood.
D)All of the above

Question

Quizplus · Accepted Answer

The aortic sinus is a structure in the heart that indeed gives rise to the right and left coronary arteries, contains oxygenated blood as it is part of the ascending aorta, and can be considered the first branch off the ascending aorta in a functional sense, as it leads to these vital arteries.

The Aortic Sinus