ATI LPN
Urinary System MCQ Questions Questions
Question 1 of 5
A patient with renal failure secondary to diabetic nephropathy has been admitted to the medical unit. What is the most life-threatening effect of renal failure for which the nurse should monitor the patient?
Correct Answer: B
Rationale: Potassium retention (B) is the most life-threatening effect of renal failure, risking hyperkalemia and cardiac arrhythmias. Waste buildup (A), hypocalcemia (C), and BP issues (D) are serious but less immediately fatal, making B the priority.
Question 2 of 5
A patient with anorexia nervosa refuses to eat. The nurse recognizes that the patient's behavior is most likely driven by:
Correct Answer: B
Rationale: Anorexia nervosa is characterized by fear of weight gain and distorted body perception.
Question 3 of 5
A patient has a glomerular filtration rate (GFR) of 43 mL/min/1.73 m2. Based on this GFR, the nurse interprets that the patients chronic kidney disease is at what stage?
Correct Answer: C
Rationale: Stages of chronic renal failure are based on the GFR. Stage 3 is defined by a GFR in the range of 30 to 59 mL/min/1.73 m2. This is considered a moderate decrease in GFR.
Question 4 of 5
A patient with acute renal failure has a serum potassium level of 6.8 mEq/L. Treatment of acid-base imbalance would decrease
Correct Answer: B
Rationale: Acidosis causes potassium to move out of cells; correcting it decreases potassium.
Question 5 of 5
The nurse reinforces teaching on risk factors for bladder cancer. Which statement indicates understanding?
Correct Answer: B
Rationale: Smoking is a major risk factor for bladder cancer.