Intermediate Glossopharyngeal Nerve Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which medullary nucleus provides branchial motor fibers to stylopharyngeus through CN IX?
- Nucleus ambiguus
- Hypoglossal nucleus
- Dorsal motor nucleus of the vagus
- Facial motor nucleus
Q2. Which nucleus receives taste fibers carried by the glossopharyngeal nerve?
- Motor trigeminal nucleus
- Solitary nucleus
- Cochlear nucleus
- Abducens nucleus
Q3. Which nucleus receives much of the pain, temperature, and touch information carried by CN IX from regions such as the pharynx and external ear?
- Hypoglossal nucleus
- Oculomotor nucleus
- Spinal trigeminal nucleus
- Inferior salivatory nucleus
Q4. Which nucleus gives rise to preganglionic parasympathetic fibers of CN IX?
- Superior salivatory nucleus
- Edinger-Westphal nucleus
- Inferior salivatory nucleus
- Nucleus ambiguus
Q5. Which branch of CN IX enters the middle ear and contributes to the tympanic plexus?
- Chorda tympani
- Greater petrosal nerve
- Tympanic nerve
- Auriculotemporal nerve
Q6. Which nerve carries preganglionic parasympathetic fibers from the tympanic plexus toward the otic ganglion?
- Long ciliary nerve
- Lesser petrosal nerve
- Greater petrosal nerve
- Deep petrosal nerve
Q7. How do postganglionic secretomotor fibers reach the parotid gland after synapsing in the otic ganglion?
- Via the infraorbital nerve
- Via the auriculotemporal nerve
- Via the greater occipital nerve
- Via the lingual nerve
Q8. Which CN IX branch carries afferents from both the carotid sinus and carotid body?
- Carotid sinus nerve
- Pharyngeal branch
- Tonsillar branch
- Tympanic nerve
Q9. Which sensory ganglia contain the primary sensory neuron cell bodies of the glossopharyngeal nerve?
- Superior and inferior glossopharyngeal ganglia
- Geniculate and trigeminal ganglia
- Pterygopalatine and submandibular ganglia
- Ciliary and otic ganglia
Q10. Which pharyngeal region receives important sensory innervation from CN IX?
- Larynx below the vocal folds only
- Nasal vestibule only
- Trachea exclusively
- Oropharynx