When is ureteral stent placement necessary?
a. Long-term drainage
b. Removal of waste products
c. Increase blood pressure
d. Increase production of renin
ANS: A
An indwelling ureteral stent is inserted when long-term drainage is required from diseases that cause ureteral obstruction. A stent may also be placed before abdominal surgery to mark the ureter. There are many different kinds of ureteral stents.
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