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Exam (elaborations)

PAS 407- Orbit Exam Questions with Correct Answers Rated A+

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PAS 407- Orbit Exam Questions with Correct Answers Rated A+ Levator palpabrae superioris action - Answers function continuously to keep eyelids open; additional widening of palpebral fissure during sympathetic stimulation Where do most extraocular muscles of orbit originate? - Answers most originate off common tendinous ring Superior rectus muscle action - Answers primarily involved in elevating pupil gaze (looking up) Superior rectus innervation - Answers Oculomotor nerve (CN III) Inferior rectus muscle action - Answers primarily involved in depressing pupil gaze (looking down)

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Uploaded on
April 17, 2025
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  • pas 407 orbit exam questions with correct answer

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PAS 407- Orbit Exam Questions with Correct Answers Rated A+

Levator palpabrae superioris action - Answers function continuously to keep eyelids open; additional
widening of palpebral fissure during sympathetic stimulation

Where do most extraocular muscles of orbit originate? - Answers most originate off common tendinous
ring

Superior rectus muscle action - Answers primarily involved in elevating pupil gaze (looking up)

Superior rectus innervation - Answers Oculomotor nerve (CN III)

Inferior rectus muscle action - Answers primarily involved in depressing pupil gaze (looking down)

Inferior rectus innervation - Answers Oculomotor nerve (CN III)

Medial rectus muscle action - Answers Adducts pupil gaze

Medial rectus innervation - Answers Oculomotor nerve (CN III)

Lateral rectus muscle action - Answers abducts pupil gaze

Lateral rectus innervation - Answers Abducens nerve (CN VI)

Superior oblique muscle action - Answers depresses pupil gaze and intorsion

Superior oblique muscle innervation - Answers Trochlear nerve (CN IV)

Inferior oblique muscle action - Answers elevates pupil gaze and extorsion

Inferior oblique muscle innervation - Answers Oculomotor nerve (CN III)

What is the primary blood supply of the orbit? - Answers ophthalmic artery
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