ATI LPN
Multiple Choice Questions Renal System Questions
Question 1 of 5
The main solute component of urine is:
Correct Answer: A
Rationale: Urea (A), a nitrogenous waste from protein metabolism, is the primary solute in urine (~50% of solids). Glucose (B) is absent normally, agglutin (C) is invalid, and urobilinogen (D) is minor, making A correct.
Question 2 of 5
The nurse observes nursing assistive personnel (NAP) taking the following actions when caring for a patient with a retention catheter. Which action requires that the nurse intervene?
Correct Answer: D
Rationale: Disconnecting the catheter (D) increases UTI risk by breaking sterility, requiring nurse intervention. Taping (A), cleaning (B), and hand hygiene (C) are appropriate, making D the action to stop.
Question 3 of 5
Which nursing action is essential for a patient immediately after a renal biopsy?
Correct Answer: C
Rationale: A pressure dressing is applied, and the patient is kept on the affected side for 30 to 60 minutes to put pressure on the biopsy side and decrease the risk for bleeding. The blood glucose and BUN/creatinine will not be affected by the biopsy. Although monitoring for hematuria is needed, there is no need for catheterization.
Question 4 of 5
The nurse is collecting data for a patient who has stress incontinence. Which of these findings would the nurse document?
Correct Answer: B
Rationale: Stress incontinence (B) involves small urine loss with increased abdominal pressure (e.g., coughing), a classic finding. Bathroom access (A) is functional, emotional stress (C) isn't typical, and sensation loss (D) is urge incontinence, making B the documentation.
Question 5 of 5
Normally, the bladder contains less than ___ mL after urination.
Correct Answer: B
Rationale: Post-void residual is normally <50 mL (B), ensuring effective emptying. 25 mL (A) is possible but not the upper limit, and 75-100 mL (C, D) suggest retention, making B the correct amount.