Identify the Smooth Muscle That, When Contracted, Propels Urine to the Urethra

Question

Identify the smooth muscle that, when contracted, propels urine to the urethra.
A)Detrusor muscle
B)External urethral sphincter
C)Internal urethral sphincter
D)None of the answers are correct.

Accepted Answer

The detrusor muscle is a smooth muscle found in the wall of the bladder. When it contracts, it helps propel urine from the bladder into the urethra.