<prompt> Supraventricular crest lies between -Pulmonary orifice and atrioventricular orificeAtrioventricular orifice and fossa ovalisSVC and right atriumRight an dleft coronary aery  <response>: Ans. is a i.e., Pulmonary orifice and atrioventricular orificeRef: BDC 8e 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. 