A nurse is caring for a client who is postoperative immediately following a cardiac catheterization with a right femoral approach. Which of the following actions should the nurse take?

Instruct the client to flex the right knee every 30 min.

Assess the client's peripheral pulses every 15 min.

Change the client's dressing 4 hr following the procedure.

Elevate the head of the client's bed to 45°.