A male patient comes to the emergency department with symptoms of renal colic. The nurse realizes that this patient most likely has a calculus that is obstructing which structure?
1. Ureter
2. Bladder
3. Renal pelvis
4. Urethra
1
Rationale 1: Renal colic is acute, severe flank pain on the affected side. It develops when a stone, or renal calculus, obstructs the ureter and causes ureteral spasm.
Rationale 2: A calculus in the bladder would not cause renal colic.
Rationale 3: A calculus in the renal pelvis would cause chronic dull pain rather than colicky pain.
Rationale 4: A calculus in the urethra would not cause renal colic.
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