CN I Olfactory · CN II Optic · CN III Oculomotor · CN IV Trochlear · CN V Trigeminal · CN VI ... CN IX Glossopharyngeal and CN X Vagus ... including from the posterior 1/3 of the tongue and pharynx, down to the level of the larynx, ... Both sides of the pharynx should be tested, and if a gag is not present after stimulation, the ...
2 Oct 2019 ... Dr. K. News ... If a poorly functioning brain does not stimulate the vagus nerve, the result is reduced activation of the gastrointestinal tract. ... the tongue blade on the back of your tongue and push down to activate a gag reflex.
