CN IX: glossopharyngeal nerve Flashcards
1
Q
what is the sensory innervation of the glossopharyngeal nerve?
A
the posterior 1/3rd of the tongue (sensation and taste)
2
Q
what is the motor innervation of the glossopharyngeal nerve?
A
the stylopharyngeus muscle
3
Q
what is the parasympathetic innervation of the glossopharyngeal muscle?
A
parotid gland
4
Q
what is the function of the stylopharyngeus muscle?
A
dilation of the nasopharynx
5
Q
what are the symptoms of glossopharyngeal neuralgia?
A
pain in tongue, throat, ear and tonsils
loss of gag reflex
loss of taste
difficulty swallowing
decreased saliva
