If you have to urinate,but have to "hold it" until you can find a bathroom,what structure are you "holding it" with?
A)the internal anal sphincter
B)the external urethral sphincter
C)the internal urethral sphincter
D)the trigone
E)the pyloric sphincter

Question

Quizplus · Accepted Answer

The external urethral sphincter is the structure that allows voluntary control over the release of urine. Therefore, when a person has to "hold it," they are consciously contracting this sphincter to prevent the flow of urine. The other options listed are not involved in urinary control.

If You Have to Urinate,but Have to "Hold It" Until