Q.

Regarding the bladder:

A. the external urethral sphincter is made up of smooth muscle cells
B. the internal urethral sphincter does not encircle the urethra
C. pelvic nerves (S2-S4) supply the external sphincter
D. when the bladder is stretched, tension is maintained
E. relaxation of the internal urethral sphincter assists micturition
Answer» B. the internal urethral sphincter does not encircle the urethra
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