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27 Cards in this Set
- Front
- Back
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injury to cribiform plate causes injury to and causes
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olfactory n
anosmia - loss of smell |
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trama to eyeball causes anopsias, what nerve is injured and what is anopsis?
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optic nerve
visual field defects |
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There is injury to vistibularcochlear n, what could cause this and what are its effects?
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a tumor
hearing impairment or loss, tinnitus (ringing in ears), Vertigo (dizziness) |
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The oculomotor nerve is injured what are 2 possible causes of injury and what would result?
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injury
1. cavernous sinus 2. aneurysms of posterior or superior cerebellar arteries causes: ptosis - paralysis of levator palpebrea eye turns laterall and down due to unopposed action of superior oblique adn lateral rectus diplopia (double vison due to lateral strabismus) |
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There is an inability to look down when the eye is adducted adn diplopia. What cranial nerve is injured and where?
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trochlear
cavernous sinus |
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your patient has diplopia and a medially turned eye. What cranial nerve was injured? What muscle does it innervate? What may have caused the injury
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Abducent
lateral rectus injury to cavernous sinus or fracture of base of skull |
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Your patient has had a laceration to the neck and now has trouble turning head to opposite side adn weakness in shrugging shoulders. What cranial nerve was injured and what muscles does it innervate?
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Accessory
SCM and trapezius |
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When your patient's tongue is protruded it deviates toward the side of injury what cranial nerve was injured? what could have caused this?
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hypoglossa
unilateral lession or neck laceration |
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A patient presents with anesthesia to the forehead and scalp. what nerve is injured and name a possible cause.
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Trigeminal - opthalmic
inflammation |
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your patient presents with intermittent excruciating pain in the face. What is this called and what nerve is involved?
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Trigminal neuralgia
trigeminal - maxillary or mandibular |
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your patient presents with loss of sensation in the upper lip and over the cheek. what nerve is involved and what is a possible cause
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maxillary
inflammation |
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your patient had anestheisa of the lower jaw and in the back of their tongue. what nerve is involved and what is a possible cause?
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mandibular
inflamation |
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the motor portion of the maxillary nerve is inflammed. what is the result
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difficulty chewing due to paralysis of muscles of mastication
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what are the muscles of mastication?
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temporalis
buccinator lateral and medial pterygoids masseter tensor veli palatini tenso tympani mylohyoid digastric (anterior belly) |
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your patient complains of no taste on anterior 2/3rds of tongue what nerve is injured?
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facial, chorda tympani
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facial paralysis
cannot close eyelids angle of mouth droops forehead does not wrinkle what is the name of disease? What nerve is involved? where may this injury occur? |
bell's palsy
facial nerve region of parotid gland distal to stylomastoid foramen |
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your patient presents with
dysphagia (difficulty swallowing) and dysarthria (speech difficulty) what nerve is involved and what injury may cause it? |
glossopharygeal
neck laceration |
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your patient has a change in blood pressure and has sustained a neck laceration. what nerve was injured?
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visecral sensory portion of glossopharygeal
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your patient has a neck laceration and no taste on posterior 1/3 of tongue. what nerve was injured?
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special sensory portion of glossopharygeal
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you injure your vagus. what are your possible symptoms?
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sagging of soft palate
difficulty coughing, clearing throat and swallowing (recurrent laryngeal) dysphagia |
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you injure your facial nerve distal to stylomastoid foramen...
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facial muscle paralysis
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you injure your facial nerve proximal to branching of chorda tympani...
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facial muscle paralysis
loss of tase on ant 2/3 of tongue loss of salivation from sublingual and submandibular glands |
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you injure your facial nerve distal to geniculate ganglion...
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facial muscle paralysis
loss of tase on ant 2/3 of tongue loss of salivation from sublingual and submandibular glands hyperacusis (due to paralysis of stapedius m) |
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you injure your facial nerve and greater petrosal n...
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facial muscle paralysis
loss of tase on ant 2/3 of tongue loss of salivation from sublingual and submandibular glands hyperacusis (due to paralysis of stapedius m) loss of taste (palate) loss of lacrimation |
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loss of salvation from parotiod gland is caused by injury to...
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glossopharyngeal
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loss of lacrimation is caused by injury to what nerve?
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facial
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mydiasis (pupil dilation) and loss of accomidation is caused by injury to what nerve that innervates what muscles?
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oculomotor
sphincter pupillae cillary m |
