Voluntary urination involves
A)contracting the external sphincter.
B)relaxing the external sphincter and compressing the urinary bladder.
C)relaxing the abdominal and expiratory muscles.
D)decreasing abdominal pressure.
E)None of the answers are correct.

Question

Quizplus · Accepted Answer

Voluntary urination involves relaxing the external sphincter and compressing the urinary bladder to allow the urine to flow out. The contraction of the external sphincter (option A) would prevent the urine from being released. Relaxing the abdominal and expiratory muscles (option C) and decreasing abdominal pressure (option D) are involved in involuntary urination. Option E is incorrect as there is a correct answer.

Voluntary Urination Involves