see more medical video and 3d medical animation visit Http://onlinemedicalvideo.com Cranial Nerves 9 & 10- Sensory and Motor: Gag Reflex The gag reflex tests both the sensory and motor components of CN 9 & 10. This involuntary reflex is obtained by touching the back of the pharynx with the tongue depressor and watching the elevation of the palate.
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