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CN IX
| Question | Answer |
|---|---|
| The branches of CN IX are __ | Lingual, tympanic, pharyngeal, branch to stylopharyngeus, carotid |
| How many branches of CN IX are there? | 5 |
| Postganglionic fibres exit the __ and contribute to the auriculotemporal nerve | Otic ganglion |
| Contributes to the tympanic plexus | Tympanic nerve |
| Only muscle provided with motor function by CN IX | Stylopharyngeus |
| The difficulty or inability to swallow | Dysphagia |
| The __ muscle elevates the pharynx | Stylopharyngeus |
| CN IX exits the skull alongside which cranial nerves? | CN X and CN XI |
| The palatine tonsils receive sensory innervation from the __ branch of CN IX | Lingual |
| The lingual branch carries __ and __ fibres to the posterior 1/3 of the tongue | SVA and GVA |
| Disorder caused by compression of CN IX | Secondary glossopharyngeal neuralgia |
| Referred pain in the pharynx is a sign of__ | Glossopharyngeal neuralgia |
| CN IX exits the skull via the__ | Jugular foramen |
| The __ branch innervates the carotid body | Carotid |
| The carotid branch is often called the__ | Carotid sinus nerve |
| Which branch of CN IX communicates with the pharyngeal branch of CN X? | Pharyngeal |
| CN IX arises posterior to the __ | Olive |
| The nuclei associated with CN IX are located in the ___ of the brainstem | Medulla oblongata |
| The __ and __ branches can sustain injury due to tonsillectomy | Lingual and pharyngeal |
| How long do intractable hiccups last? | More than 24 hours |