ATI LPN
Urinary System Questions Questions
Question 1 of 5
Granular (juxtaglomerular cells) secrete ___ when there is a fall in ___ ion concentration.
Correct Answer: D
Rationale: Juxtaglomerular cells secrete renin (D) when sodium falls in the distal tubule, detected by the macula densa, activating RAAS. Chloride (A) is secondary, carbonic anhydrase (B) and ATPase (C) are unrelated, making D the trigger.
Question 2 of 5
A nurse assesses a client with renal insufficiency and a low red blood cell count. The client asks, 'Is my anemia related to the renal insufficiency?' How should the nurse respond?
Correct Answer: C
Rationale: Kidneys produce erythropoietin to stimulate red blood cell production, linking anemia to renal insufficiency.
Question 3 of 5
A nurse reviews the laboratory findings of a client with a urinary tract infection. The laboratory report notes a 'shift to the left' in a client's white blood cell count. Which action should the nurse take?
Correct Answer: B
Rationale: Shift to the left indicates urosepsis, needing urgent IV antibiotics after notifying provider.
Question 4 of 5
A nurse assesses a client who presents with renal calculi. Which question should the nurse ask?
Correct Answer: A
Rationale: Family history strongly correlates with renal stone formation, making it a key question.
Question 5 of 5
The nurse is caring for a patient who has recurrent urinary tract infections. The patient's current infection is not responding to an antibiotic that has been used successfully several times in the past. The nurse understands that this is most likely due to
Correct Answer: A
Rationale: Repeated exposure leads to acquired resistance, explaining the antibiotic's current failure.