75% contribution to parasympathetic system is by which cranial nerve -
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
Oculomotor
Facial
Glossopharyngeal
Vagus
Cranial Nerves