Which of the following is NOT true of the crossed extensor reflex?

A. When flexor muscles of the lower limb contract due to stepping on a sharp object, the extensor muscles in the same limb are inhibited.
B. It occurs in conjunction with a withdrawal reflex.
C. It occurs in reflexes in both the upper and lower limb.
D. When flexor muscles of the lower limb contract due to stepping on a sharp object, the extensor muscles in the opposite limb are stimulated.
E. The crossed extensor reflex helps a person remain upright during the withdrawal reflex.


Answer: C

Anatomy & Physiology

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