Supraventricular crest lies between -: (A) Pulmonary orifice and atrioventricular orifice, (B) Atrioventricular orifice and fossa ovalis, (C) SVC and right atrium, (D) Right an dleft coronary aery
Answer is A. 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.