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Cranial Nerves & Cranial Nerve Screening Final Exam Study Guide Test.
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Cranial Nerves & Cranial Nerve Screening Final Exam Study Guide Test. CN I (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Olfactory nerve Smell Sensory only Inferior frontal lobe CN II (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER ...

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  • September 16, 2024
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  • 2024/2025
  • Exam (elaborations)
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Cranial Nerves & Cranial Nerve
Screening Final Exam Study Guide Test.

CN I (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Olfactory nerve

Smell

Sensory only

Inferior frontal lobe



CN II (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Optic nerve

Vision, afferent for pupillary reflex

Sensory only

Diencephalon



CN III (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Oculomotor nerve

Moves eyes up, down, and medially; raises upper eyelid; constricts pupil; adjusts lens shape; efferent for
pupillary reflex

Motor only

Midbrain



CN IV (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Trochlear nerve

Moves eyes medially + down

Motor only

Midbrain



CN V (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Trigeminal nerve

Facial sensation, chewing, sensation from TMJ

Both sensory and motor

Pons

, CN VI (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Abducens nerve

Abducts eye

Motor only

Between pons and medulla



CN VII (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Facial nerve

Facial expression, closes eyes, produces tears, salivation, taste

Both sensory and motor

Between pons and medulla



CN VIII (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER
Vestibulocochlear nerve

Sensation of head position relative to gravity and head movement, hearing

Sensory only

Between pons and medulla



CN IX (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Glossopharyngeal
nerve

Salivation, taste, afferent for gag and swallowing reflexes, constricts pharynx

Both sensory and motor

Medulla



CN X (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Vagus nerve

Regulates viscera, swallowing, speech, and taste, sensation over pharynx and larynx

Both sensory and motor

Medulla



CN XI (name, function, sensory/motor/both, connection to brain) - CORRECT ANSWER Accessory nerve

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