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The Neurological Examination (Review Notes).doc
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Cranial nerve reflex evaluation

Test

Sensory

Nerve

Motor

Nerve

Normal Response

CNS Portion

Tested

Menace

II

VII

Eye Blink, Head Turn

Cerebrum

Pupillary Light Reflex (PLR)

II

III

Pupil Constriction

Midbrain

Pupillary Symmetry

--

III

Sympathetic

Pupils Equal in Size

Midbrain

Cervical Spinal Cord

Pupillary Size

II

III

Sympathetic

Pupils midrange

Midbrain

Cervical Spinal Cord

Ocular Position

VIII

III/IV/VI

Normal Conjugate Position

Brain stem

Oculo-vestibular Reflex

VIII

III/IV/VI

Physiologic Nystagmus

Brain stem

Pathologic Nystagmus-

VIII

III/IV/VI

Eyes remain at rest

Brain stem, Cerebellum

Palpebral Reflex

V

VII

Eye Blink

Brain stem, Cerebrum

Corneal Reflex

V

VII

Eye Blink

Brain stem, Cerebrum

Retractor Oculi Reflex

V

VI

Eye Ball Retraction

Brain stem

Temporal Muscle Tone and Size

V

Full, symmetric muscles

Good jaw Tone

Brain stem

Nasal Sensory Exam

V

VII and Muscles of Neck

Lip retracts, head pulls away

Brain stem, Cerebrum

Gag Reflex

IX/X

IX/X

Normal Swallowing

Brain stem

Tongue Examination

V

XII

Normal movement, position, no atrophy

Brain stem

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