The nurse from the postpartum unit is reassigned to care for clients on the nephrology unit. Which client assignment is best for this reassigned nurse?
1. A client with chronic kidney disease needing education about peritoneal dialysis.
2. A client returning to the unit after lithotripsy for renal calculi.
3. A client newly admitted with lupus nephritis requiring cyclophosphamide.
4. A client on hemodialysis who has been non-adherent with medications and prescribed diet.