The micturition reflex is initiated by the
A) stretching of the walls of the urinary bladder.
B) stretching of the walls of the ureters.
C) relaxation of the walls of the urinary bladder.
D) constriction of the external urinary sphincter.
E) relaxation of the external urinary sphincter.

Question

Quizplus · Accepted Answer

The micturition reflex is initiated by the stretching of the walls of the urinary bladder, which signals the need to urinate by activating sensory nerves in the bladder wall.

The Micturition Reflex Is Initiated by the