A person has inability to look downwards and laterally. The nerve injured is_____________?
Correct answer: B. Trochlear
- A. Occulomotor
- B. Trochlear
- C. Trigeminal
- D. Ophthalmic
Explanation
The superior oblique muscle depresses and abducts the eye, producing downward and lateral movement, and is supplied by the trochlear nerve. The oculomotor nerve supplies most other extraocular muscles but not the superior oblique.
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