Cards In This Set
| Front | Back |
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Which peripheral reflexes are most reliable?
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Answer: withdrawal reflex in all limbs, patellar reflex in the rear limbs
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Which reactions/ reflexes can be used to evaluate the optic nerve (CRN II)?
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Answer: Menace response (CRN II,VII, Cerebellum), Pupillary light reflexes (CRN II, III), Dazzle reflex (CRN II, VII)
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The combination of ventro-lateral strabismus and a dilated, unresponsive pupil in the left eye in the absence of fundic lesions would indicate?
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Answer: An oculomotor nerve (CRN III) lesion
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Horner’s syndrome may be secondary to lesion(s) in which areas?
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Answer: middle ear, cranial sympathetic trunk, cervical spinal cord between C5-T3.
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Dorso-lateral rotation of the pupil is indicative of?
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Answer: Trochlear nerve (CRN IV) lesion
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Medial strabismus and reduced retraction of the globe of the eye is indicative of?
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Answer: Abducens nerve (CRN VI) lesion
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The oculocephalic (Dolls eye) reflex tests which cranial nerves?
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Answer: Oculomotor (CRN III), Trochlear (CRN IV), Abduscens (CRN VI), Vestibular component of CRN VIII
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What are the afferent and efferent nerves involved in the corneal reflex?
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Afferent – Trigeminal nerve (CRN V)Efferent- Abduscens nerve (CRN VI)
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What are the afferent and efferent nerves involved in the palpebral reflex?
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Answer: Afferent: Trigeminal nerve (CRN V)Efferent: Facial nerve (CRN VII)
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What clinical signs are characteristic of vestibular disease?
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Answer: Balance problems, head tilt, nystagmus, emesis, vestibular ataxia
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Vertical nystagmus is only seen with?
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Answer: Central vestibular disease
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An abnormal gag reflex may indicate problems with which cranial nerve?
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Answer: Glossopharyngeal (CRN IX)
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An acute injury to the hypoglossal nerve will cause the tongue to deviate in which direction?
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Answer: Away from the side of the injury
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