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?

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

Assess the client’s peripheral pulses every 15 minutes.

Change the client’s dressing 4 hours following the procedure.

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