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A 54-year-old woman presents with complaints of double vision. While testing the patient's eye movements during a cranial nerve test, the physician notes that the patient cannot elevate her right eye from the abducted position. Which of the following muscles is paralyzed?
A. Right inferior oblique
B. Right inferior rectus
C. Right lateral rectus
D. Right superior oblique
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A 54-year-old woman presents with complaints of double vision. While testing the patient's eye movements during a cranial nerve test, the physician notes that the patient cannot elevate her right eye from the abducted position. Which of the following muscles is paralyzed?
A. Right inferior oblique
B. Right inferior rectus
C. Right lateral rectus
D. Right superior oblique
E. Right superior rectus
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this is a tough one..
q is not elevate and abduct... it to elevate from abducted position
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The correct answer is E. The superior rectus muscle can elevate and adduct the eye from the neutral position. From the abducted position it is the only muscle that can elevate the eye.
The inferior oblique muscle (choice A) can elevate and abduct the eye from the neutral position. From the adducted position it is the only muscle that can elevate the eye.
The inferior rectus muscle (choice B) can depress and adduct the eye from the neutral position. From the abducted position it is the only muscle that can depress the eye.
The lateral rectus muscle (choice C) can abduct the eye.
The superior oblique muscle (choice D) can depress and abduct the eye from the neutral position. From the adducted position, it is the only muscle that can depress the eye.
