Term
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Definition
| Any nerves that lie in close proximity to the internal carotid artery could be affected. The most commonly affected are ? (Name 3) |
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Term
| Genioglossus (invervated by XII) |
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Definition
| Which extrinsic tongue muscles unlike the others does NOT receive bilateral innervation which is important clinically and which CN innervates it. |
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Term
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Definition
| When the genioglossi muscles contract together the tongue sticks straight out so if one of the genioglossus muscles is weak or paralyzed then the tonque will deviate toward the (?active/intact or inactive/weak) side. |
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Term
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Definition
| In an UMNL, the tongue would deviate to the (?same or opposite?) side of the lesion. |
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Term
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Definition
| In an LMNL, the tongue would deviate to the (?same or opposite?) side of the lesion. |
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Term
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Definition
| During protrusion of the tongue if the lesion involves (?upper or lower?) motor neurons the tongue will deviate to the contralateral side |
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Term
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Definition
| During protrusion of the tongue if the lesion involves (?upper or lower?) motor neurons the tongue will deviate to the ipsilateral side |
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Term
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Definition
| This CN lies between the internal carotid artery and the internal jugular vein and deep to the posterior belly of the digastric muscle. |
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Term
| palatoglossus muscle/ CN X |
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Definition
| All of the extrinsic muscles of the tongue are supplied by CN XII except for ? which is supplied by CN ? |
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Term
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Definition
| CN XI demonstrates (?ipsilateral or contralateral?) innervation to LMNs innervating the SCM muscle. |
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Term
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Definition
| CN XI demonstrates (?ipsilateral or contralateral?) innervation to LMNs innervating the upper fibers of the trapezius muscle. |
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Term
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Definition
| In a LMNL their would be weakness of the SCM and upper traps (?ipsilaterally or contralaterally?) |
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Term
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Definition
| In an UMNL their would be weakness of the SCM and upper traps (?ipsilaterally or contralaterally?) |
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Term
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Definition
| Name the smallest of the cranial nerves. |
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Term
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Definition
| Name the 1 muscle innervated by CN IV. |
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Term
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Definition
| Name the component of CN IV. |
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Term
| posterior cerebral and superior cerebellar |
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Definition
| CN IV passes between what 2 arteries. |
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Term
| CN III, IV, V1, V2 and VI |
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Definition
| Name the cranial nerves that enter the cavernous sinus. |
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Term
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Definition
| Name the muscle (and the cranial nerve that innervates this muscle) that turns the eye down and out and medially rotates the eyeball |
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Term
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Definition
| This CN is the only nerve whose cell bodies entirely originate from the contralateral nucleus. |
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Term
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Definition
| Name the only CN to emerge on the dorsal surface of the brainstem. |
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Term
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Definition
| The function of this CN is to move the eye laterally away from the midline. |
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Term
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Definition
| CN VI has only a ? component. |
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Term
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Definition
| CN VI can be damaged anywhere along its course from its nucleus in the ? to its target muscle the ? |
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Term
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Definition
| Name the most frequently lesioned cranial nerve |
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Term
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Definition
| Medical term used to describe unopposed medial rectus muscle that occurs when there is damage to CN ? |
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Term
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Definition
| Name the CN whose visceral sensory component is for subconscious sensations from the carotid body (chemoreceptors) and the carotid sinus (baroreceptors) |
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Term
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Definition
| CN IX provides a parasympathetic motor component to the ? and the carotid body and sinus. |
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Term
| Superior and Inferior Glossopharyngeal ganglia |
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Definition
| Name the 2 ganglia situated on CN IX. |
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Term
| elevate the pharynx during swallowing and speech/CN IX |
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Definition
| What is the function of the stylopharyngeus muscle and what CN innervates it. |
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Term
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Definition
| No gag reflex means there is a lesion of CN ? |
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Term
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Definition
| The gag reflex involves both CN ? being the sensory input and CN ? carrying the motor components. |
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Term
| Superior (jugular) and Inferior (Nodosum) |
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Definition
| Name the 2 sensory ganglia located on CN X. |
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Term
| unaffected side (due to unopposed action of pharyngeal constrictors) |
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Definition
| Unilateral lesion of CN X causes deviation of the uvula and soft palate to the (?affected or unaffected?) side. |
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Term
| UMNL/due to bilateral corticobulbar innervation of nucleus ambiguus |
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Definition
| Minimal symptoms are seen in a (?LMNL or UMNL?) of CN X and why |
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Term
| internal carotid artery and internal jugular vein. |
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Definition
| In the neck, the vagus nerve lies posterior to and in a groove between this artery and vein. (name them) |
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Term
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Definition
| Hoarseness and difficulty swallowing would be seen in a (?UMNL or LMNL?) of CN ? |
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Term
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Definition
| Deviation of the uvula and soft palate to the unaffectd side due to unopposed action of the pharyngeal constrictors is a (?UMNL or LMNL?) in CN ? |
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Term
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Definition
| Stimulation of the visceral motor function of CN ? results in decreased HR, bronchoconstriction and increased peristalsis |
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Term
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Definition
| CN ? provides general sensation from skin of external ear, external auditory canal, external surface of tympanic membrane, larynx, pharynx and meninges of posterior cranial fossa. |
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Term
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Definition
| If the abducens nerve and the facial nerve are not functioning, this would suggest a lesion in the ? |
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Term
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Definition
| If CN VIII and CN VII are not functioning this suggests a lesion in the ? |
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Term
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Definition
| Food flavors depend on the sense of smell or taste? |
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Term
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Definition
| (?Unilateral or Bilateral?) anosmia can result from disease affecting the olfactory nerves, bulb or tract. |
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