This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'All of the following statements about the vagus nerve are true except that it \nSelect and explain. \nA. Supplies hea & lung, B. Carries postganglionic parasympathetic fibers, C. Innervates right two third of transverse colon, D. Stimulates peristalsis & relaxes sphincters', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It carries preganglionic secretomotor fibres to the submandibular ganglion for supply of the submandibular and sublingual salivary glands. REF:BDC VOL.3,FIFTH EDITION.', 'role': 'assistant'}]