How much urine accumulates in the bladder before the mechanoreceptors sense bladder fullness?
A) 75 to 100 ml
B) 100 to 150 ml
C) 250 to 300 ml
D) 350 to 400 ml

Question

Quizplus · Accepted Answer

When the bladder accumulates 250 to 300 ml of urine,it contracts and the internal urethral sphincter relaxes through activation of the spinal reflex arc (known as the micturition reflex).

How Much Urine Accumulates in the Bladder Before the Mechanoreceptors