75% contribution to parasympathetic system is by which cranial nerve -: (A) Oculomotor, (B) Facial, (C) Glossopharyngeal, (D) Vagus
Answer is D. Ans. is D i.e., Vagus "Vagus nerve contains almost 75% of all parasympathetic nerve fibers" - Clinical anatomy "About 75% of all parasympathetic nerve fibers are in vagus nerve" - Miller's Anesthesia