Normally, Urine Is Prevented from Backing Up into the Ureters

question 82

Multiple Choice

Normally, urine is prevented from backing up into the ureters from a full bladder due to:

• A) gravity.
• B) hydrostatic pressure from the renal pelvis.
• C) sphincters (anatomical valves) at the junctions of the ureters and bladder.
• D) physiological valves where pressure in the bladder compresses oblique openings into the ureters.

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