In older children and adults, the cerebral cortex is able to block micturition by inhibiting nerve activity to the

A) internal urethral sphincter only.
B) external urethral sphincter only.
C) detrusor muscle only.
D) detrusor muscle and external urethral sphincter.
E) internal and external urethral sphincters.


Ans: C) detrusor muscle only.

Anatomy & Physiology

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