Urinary continence is maintained by:

A. excitatory somatic innervation of the internal sphincter
B. excitatory postganglionic parasympathetic innervation of the detrusor muscle
C. excitatory postganglionic parasympathetic innervation of the internal sphincter
D. excitatory postganglionic sympathetic innervation of the detrusor muscle
E. excitatory postganglionic sympathetic innervation of the external sphincter


ANS: B

Anatomy & Physiology

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