The Nurse Is Preparing an 8-Year-Old Patient for a Cardiac

The nurse is preparing an 8-year-old patient for a cardiac catheterization. Which intervention will the nurse initiate immediately postprocedure?

A) Observe for signs and symptoms of infection.
B) Hold food and fluids until gag reflex returns.
C) Keep the involved extremity straight for 4 to 6 hours.
D) Notify physician if green or yellow drainage is noted.