<prompt> Which of the following cranial nerve is a pure sensory nerve?CN 3CN 5CN 8CN 9  <response>: Ans. C CN 8Ref: Netters Atlas of Neurosciences, pg. 265 Cranial nerve 3 is pure motor nerve and performs ocular movement. Cranial nerve 5 performs mastication and is sensory to face. Cranial nerve 9 is a mixed nerve and carries taste from posterior 13rd of tongue and performs swallowing with help of stylopharyngeus. CN 8th is pure sensory. Associated with hearing and balancing 