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
Supraventricular crest lies between - 
Select and explain. 
A. Pulmonary orifice and atrioventricular orifice, B. Atrioventricular orifice and fossa ovalis, C. SVC and right atrium, D. Right an dleft coronary aery
A: Pulmonary orifice and atrioventricular orifice
Answer: A: Pulmonary orifice and atrioventricular orifice 
Explanation: Ans. is 'a' i.e., Pulmonary orifice and atrioventricular orifice(Ref: BDC 8/e Vol, I p. 253-258).Supraventricular crest (crista supraventriculars) or infundibulo-ventricular crest separates tricuspid (AV) orifice and pulmonary orifice, i.e. inlet and outlet pas.