S2 Exam 1 (12 CN) Neuroanatomy 3 Schmidt (revised) questions with answers

S2 Exam 1 (12 CN) Neuroanatomy 3
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Schmidt (revised) questions with |\ |\ |\ |\




answers

12 Cranial nerves - CORRECT ANSWERS ✔✔*I* On
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(*Optic*)
*II* Old (*Olefactory*)
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*III* Olympus (*Oculomotor*)
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*IV* Towering (*Trochlear*)
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*V* Tops (*Trigeminal*)
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*VI* A (*Abducens*)
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*VII* Fin (*Facial*)
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*VIII* And (*Acoustic/vestibulocochlear*)
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*IX* German (*Glossopharyngeal*)
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*X* Viewed (*Vagus*)
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*XI* Some (*Spinal* *accessory*)
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*XII* Hops (*Hypoglossal*)
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Sensory, motor, or both (mixed) - CORRECT ANSWERS
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✔✔*I* Sister (*Optic*) |\ |\




*II* Says (*Olefactory*)
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*III* Marry (*Oculomotor*)
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,*IV* Money (*Trochlear*)
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*V* But (*Trigeminal*)
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*VI* My (*Abducens*)
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*VII* Brother (*Facial*)
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*VIII* Says (*Acoustic/vestibulocochlear*)
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*IX* Big (*Glossopharyngeal*)
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*X* Brains (*Vagus*)
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*XI* Matter (*Spinal* *accessory*)
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*XII* More (*Hypoglossal*)
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How many cranial nerves?
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What are 3 categories? - CORRECT ANSWERS ✔✔12
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denoted by roman numeral & and name (so know both)
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Broken down into sensory, motor, and mixed
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Name all of the motor cranial nerves. - CORRECT
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ANSWERS ✔✔"Primarily (AKA pure)" |\ |\ |\




3 Oculomotor
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4 Trochlear
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,6 Abducens
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11 Spinal accessory
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12 Hypoglossal |\




How many skeletal muscles are attached to each eyeball?
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- CORRECT ANSWERS ✔✔6...control direction of vision
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Name the 3 cranial nerves involved in eye movement.
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Which muscle does each innervate? - CORRECT ANSWERS
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✔✔III Oculomotor innervates 4 muscles
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IV Trochlear innervates the Superior Oblique
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VI Abduscens innervates the Lateral rectus
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Abduscens innervates which muscle? |\ |\ |\ |\




What is the motor function? - CORRECT ANSWERS
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✔✔Lateral rectus |\




Pulls eyeball laterally
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, Is CN III sensory or motor?
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Innervates what? - CORRECT ANSWERS ✔✔Oculo*motor* |\ |\ |\ |\ |\ |\



nerve


Innervates of 4/6 of the skeletal muscles attached to the
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eye (see picture)
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The 4 muscles:
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*Superior/medial/inferior* *rectus* |\




and
*Inferior* *Oblique* |\




Cranial nerve IV provides motor innervation to? -
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CORRECT ANSWERS ✔✔Trochlear nerve provides motor
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innervation to the superior oblique muscles of the eye |\ |\ |\ |\ |\ |\ |\ |\ |\




(Don't have to know how it affects the position of the
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eye...Schmidt says it's difficult to explain) |\ |\ |\ |\ |\




Superior oblique muscle of the eye is innervated by...? -
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CORRECT ANSWERS ✔✔Innervation via trochlear nerve IV
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Cranial nerve VI innervates...?
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