A 53 year old woman has a drooping eyelid. When the lid is forcefully elevated, the pupil is directed downward and laterally; there is no superior or medial movement. The pupil is dilated and unresponsive to light. Her condition is most likely caused by a lesion involving which of the following? A.superior cervical ganglion B.oculomotor nerve only C.trochlear nerve only D.trochlear and oculomotor nerves E.abducens nerve only F.abducens and oculomotor nerves
A 53 year old woman has a drooping eyelid. When the lid is forcefully elevated, the pupil is directed downward and laterally; there is no superior or medial movement. The pupil is dilated and unresponsive to light. Her condition is most likely caused by a lesion involving which of the following? A.superior cervical ganglion B.oculomotor nerve only C.trochlear nerve only D.trochlear and oculomotor nerves E.abducens nerve only F.abducens and oculomotor nerves
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A 53 year old woman has a drooping eyelid. When the lid is forcefully elevated, the pupil is directed downward and laterally; there is no superior or medial movement. The pupil is dilated and unresponsive to light. Her condition is most likely caused by a lesion involving which of the following?
A.superior cervical ganglion
B.oculomotor nerve only
C.trochlear nerve only
D.trochlear and oculomotor nerves
E.abducens nerve only
F.abducens and oculomotor nerves
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