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Sixth nerve palsy: Quiz

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Question 1: Because the nerve emerges near the bottom of the ________, it is often the first nerve compressed when there is any rise in intracranial pressure.
Nervous systemSensory systemBrainDigestion

Question 2: Less common: Increased ________, giant cell arteritis, cavernous sinus mass (e.g.
Sleep apneaIntracranial pressureHepatic encephalopathyNervous system

Question 3: Whilst this is a positive adaptation in the short term, in the long term it can lead to a lack of appropriate development of the visual cortex giving rise to permanent visual loss in the suppressed eye; a condition known as ________.
KeratoconusBlindnessStrabismusAmblyopia

Question 4: The affected individual will have an ________ or convergent squint on distance fixation.
Sixth nerve palsyBlindnessEsotropiaStrabismus

Question 5: Abduction limitations which mimic VIth nerve palsy may result secondary to surgery, to trauma or as a result of other conditions such as ________ or thyroid eye disease.
Coeliac diseaseAsthmaSystemic lupus erythematosusMyasthenia gravis

Question 6: meningioma, ________, metastasis), multiple sclerosis, sarcoidosis/vasculitis, postmyelography or lumbar puncture, stroke (usually not isolated).
Aortic aneurysmAortic dissectionAtherosclerosisAneurysm

Question 7: ________ - a rare congenital disorder in which both VIth and VIIth nerves are bilaterally affected giving rise to a typically 'expressionless' face.
Cornelia de Lange SyndromeMöbius syndromeBeckwith-Wiedemann syndromeApert syndrome

Question 8:

Question 9: Occlusion would never be used in infants though both because of the risk of inducing stimulus deprivation ________ and because they do not experience diplopia.
KeratoconusBlindnessAmblyopiaStrabismus

Question 10: Sixth nerve palsy, or abducens nerve palsy, is a disorder associated with dysfunction of cranial nerve VI (the ________), which is responsible for contracting the lateral rectus muscle to abduct (i.e., turn out) the eye.
Abducens nerveGlossopharyngeal nerveTrochlear nerveOculomotor nerve







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