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A 38 y/o woman is diagnosed with a lesion of the facial nerve proximal to the origin of the chorda tympani in the posterior wall of the tympanic cavity. Which of the following functions would most likely remain intact in this patient?
A. Control of muscles in lower half of face
B. Control of muscles in upper half of face
C. Salivary secretion by submandibular gland
D. Taste sensation from anterior two-thirds of tongue
E. Tear production by lacrimal gland
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@virgo
What’s 1st N branch of the VII gives off @geniculate ganglion & path antero/medially through the temporal bone?
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@cardio my anatomy is so weak and i started working on it. so no idea what r u asking. sorry. the answer i posted was my guess.
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E. Tear production by lacrimal gland. Greater petrosal nerve
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*@Virgo32* lets help u to get there.
Go ahead & ans the following Qs;
Q1) A 13 y/o girl suffers head injury in train accident. Pat bleed from external auditory meatus on R? Tell me, in her injury is suggestive of which of the following choice?
a) Posterior cranial fossa fracture
b) Anterior cranial fossa fracture
c) Middle cranial fossa fracture
d) Fracture of occipital bone
Base on your ans Q1> Now, if you see on your PE pat is devoid of emotional tearing on the ipsilateral/R. Which of the following N is most likely damaged?
a) Deep petrosal
b) Greater petrosal
c) Lesser petrosal
d) Chorda tympani
e) Lacrimal/N
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1. is it c? i know it's easy one but i don't remember this. sorry. please explain
2. E
