A nurse is planning care for a 5-month-old infant who is scheduled for a lumbar puncture to rule out meningitis. Which of the following actions should the nurse include in the plan of care?

Apply a eutectic mixture of lidocaine and prilocaine cream topically 15 min prior to the procedure.

Keep the infant NPO for 6 hr prior the procedure.

Hold the infant's chin to his chest and knees to his abdomen during the procedure.

Place the infant in an infant seat for 2 hr following the procedure.