The Nurse Is Caring for a Client Recently Admitted to the Unit

The nurse is caring for a client recently admitted to the unit after a right knee replacement.Which assessment finding is most concerning to the nurse?

A) Pedal pulses on the operative foot are weak compared to the non-operative side.
B) The surgical dressing exhibits a moderate amount of serosanguineous drainage.
C) A patient-controlled analgesia pump is set up according to physician orders.
D) The client has an indwelling urinary catheter draining clear straw-colored urine.