<prompt> True statement among the following is -Bladder emptying cannot occur if volume 100 ml.Bladder muscles contains intrafusal fibresPressure increase in blader very linerly with timeOne time of fluid, intake :results in complete excretion in 1 hour  <response>: A i.e., Bladder emptying cannot occur if volume is First urge to void is felt at a bladder volume of - 150 m1Q, and a marked sense of fullness at about 400 m1Q. In adult the volume of urine that normally initiates a reflex contraction is about 300- 400 m1Q. 