This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Third coronary aery is - 
Select and explain. 
A. Right coronary aery, B. Left coronary aery, C. Conus aery, D. Anterior interventricular aery
C: Conus aery
Answer: C: Conus aery 
Explanation: Ans. is 'c' i.e.,Conus aeryThird coronary aery is seen only in 50% of human heas. It is also called conus aery.The conus aery is a small early branch off the right coronary aery (RCA) circulation.