<prompt> All of the following statements about the vagus nerve are true EXCEPTSupplies hea and lungCarries postganglionic parasympathetic fibersInnervates right two third of transverse colonStimulates peristalsis and relaxes sphincters  <response>: Cranial nerve 3, 7, 9 and 10 vagus carry the preganglionic and not post-ganglionic parasympathetic fibers. It supplies the parasympathetic fibers to lungs and hea, and the GI system till the mid-gut. The right 23 of the transverse colon belongs to mid-gut and is supplied by the vagus nerve. 