ATI LPN
Questions on the Urinary System Questions
Question 1 of 5
The collecting duct is the main site of action for which drug?
Correct Answer: B
Rationale: Demeclocycline acts on the collecting duct to inhibit ADH effects.
Question 2 of 5
After teaching a client with bacterial cystitis who is prescribed phenazopyridine (Pyridium), the nurse assesses the client's understanding. Which statement made by the client indicates a correct understanding of the teaching?
Correct Answer: C
Rationale: Phenazopyridine turns urine orange, a normal effect clients should expect.
Question 3 of 5
A client has just had a central line catheter placed that is specific for hemodialysis. What is the most appropriate action by the nurse?
Correct Answer: D
Rationale: Heparin dwell prevents clotting in the dialysis catheter post-treatment.
Question 4 of 5
A nurse reviews these laboratory values of a client who returned from kidney transplantation 12 hours ago: Sodium 136 mEq/L, Potassium 5 mEq/L, Blood urea nitrogen (BUN) 44 mg/dL, Serum creatinine 2.5 mg/dL. What initial intervention would the nurse anticipate?
Correct Answer: C
Rationale: Elevated BUN and creatinine suggest rejection; more immunosuppression may help.
Question 5 of 5
Which statement by a patient who had a cystoscopy the previous day should be reported immediately to the health care provider?
Correct Answer: D
Rationale: Fever post-cystoscopy may indicate infection, requiring urgent provider notification.