Question 83 (part 2) · LDEK · Cranial nerves and facial pain
Indicate true statements regarding glossopharyngeal nerve palsy:
1) etiologic causes include, among other: congenital paralysis, infection and poisoning, and mycoses and parasitic diseases;
2) innervation area of glossopharyngeal nerve involves gustatory 1/3rd anterior part of the tongue;
3) innervation area of glossopharyngeal nerve involves parasympathetically parotid gland;
4) symptoms of such palsy include: absence of swallowing reflex, cancellation of pain sensation in upper part of pharynx;
5) examination reveals drooping towards palatal arch on the paralyzed side.
Correct answer is:
2) innervation area of glossopharyngeal nerve involves gustatory 1/3rd anterior part of the tongue;
3) innervation area of glossopharyngeal nerve involves parasympathetically parotid gland;
4) symptoms of such palsy include: absence of swallowing reflex, cancellation of pain sensation in upper part of pharynx;
5) examination reveals drooping towards palatal arch on the paralyzed side.
Correct answer is:
- A. 1,2,5.
- B. 1,2,4.
- C. 3,4,5.
- D. 1,3,4.
- E. 1,3,5.
Hint
Separate the taste territory of nerve IX from that of the chorda tympani, and ask which nerve is really responsible for palatal arch drooping.
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