MSN620 Quiz 2 - 3 Verified Questions And Answers Rated A+
Three divisions of the trigeminal nerve ANS ophthalmic (V1), maxillary (V2), mandibular (V3)
What does the trigeminal nerve provide sensation to? ANS - skin of entire face
- mucosa of sinuses of nasal and oral cavities
trigeminal n...
MSN620 Quiz 2 - 3 Verified Questions And Answers
Rated A+
Three divisions of the trigeminal nerve ANS ophthalmic (V1), maxillary (V2), mandibular (V3)
What does the trigeminal nerve provide sensation to? ANS - skin of entire face
- mucosa of sinuses of nasal and oral cavities
trigeminal nerve provides parasympathetic innervation to... ANS - ciliary body and sphincter pupillae
- lacrimal gland
- nasal glands
- palatial salivary glands, parotid, submandibular, and sublingual glands
what motor function does the trigeminal nerve provide ANS - muscles of mastication
- corneal reflex (blink reflex)
what happens if the entire trigeminal nerve is injured? ANS - decreased sensation (hypoesthesia)
- loss of sensation (anesthesia)
What happens in a V1 injury of the trigeminal nerve? ANS absence of corneal reflex
What happens in a V3 injury of the trigeminal nerve? ANS muscles of mastication become paralyzed (only one
side is affected)
The ophthalmic division of the trigeminal nerve carries sensory fibers from... ANS - eyeball
- skin of upper face and anterior scalp
- lining of upper part of nasal cavity and air cells
- dorsal nose and tip
- meninges of anterior cranial fossa
the maxillary division of the trigeminal nerve carries sensory fibers from... ANS - palpebral fissure and mouth
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