During a physical examination of a 35-year-old man with a spinal cord injury, the neurologist lightly strokes the right upper medial side of the thigh to test the integrity of the L1-2 spinal cord segments. He notes the cremasteric reflex is absent. Which of the following nerves carries the efferent limb of this reflex arc? (A) Genital branch of the genitofemoral (B) Femoral branch of the genitofemoral (C) Femoral

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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During a physical examination of a 35-year-old man with a spinal cord injury, the neurologist lightly
strokes the right upper medial side of the thigh to test the integrity of the L1-2 spinal cord segments.
He notes the cremasteric reflex is absent. Which of the following nerves carries the efferent limb of
this reflex arc?
(A) Genital branch of the genitofemoral
(B) Femoral branch of the genitofemoral
(C) Femoral
Transcribed Image Text:During a physical examination of a 35-year-old man with a spinal cord injury, the neurologist lightly strokes the right upper medial side of the thigh to test the integrity of the L1-2 spinal cord segments. He notes the cremasteric reflex is absent. Which of the following nerves carries the efferent limb of this reflex arc? (A) Genital branch of the genitofemoral (B) Femoral branch of the genitofemoral (C) Femoral
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