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Questions and Answers
Which cranial nerve innervates the superior oblique muscle?
Which cranial nerve innervates the superior oblique muscle?
- Abducens nerve (sixth cranial nerve)
- Optic nerve (second cranial nerve)
- Trochlear nerve (fourth cranial nerve) (correct)
- Oculomotor nerve (third cranial nerve)
Where does the superior oblique muscle insert into the eyeball?
Where does the superior oblique muscle insert into the eyeball?
- Posterotemporal surface of the eyeball (correct)
- Superior surface of the eyeball
- Inferior surface of the eyeball
- Anteromedial surface of the eyeball
What action does the superior oblique muscle perform on the eye?
What action does the superior oblique muscle perform on the eye?
- Elevation and external rotation
- Depression and internal rotation (correct)
- Adduction and elevation
- Abduction and external rotation
Where does the superior oblique muscle originate in the orbit?
Where does the superior oblique muscle originate in the orbit?
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What gives the superior oblique muscle its actions?
What gives the superior oblique muscle its actions?
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