Anatomy All of the following are true about the Right Coronary Aery (RCA) except___ A RCA diameter is less than left coronary aery B RCA arises from the anterior aoic sinus C RCA gives rise to circumflex coronary branch D Right Coronary aery is the first branch of RCA 💡 Explanation All of the following are true about the Right Coronary Aery (RCA) except___ ✓ Correct Answer: C. RCA gives rise to circumflex coronary branch