The nurse is teaching infant CPR to a group of newly graduated nurses hired to work in the labor and delivery unit. The nurse understands that proper technique with infants includes which action? Select all that apply.

A The femoral artery is checked for a pulse following each cycle of CPR. E If arrest is witnessed the emergency response system should be activated before beginning CPR. D Rest the infant facedown on the forearm with the hand supporting the head and jaw. B Chest compression depth should be approximately 1.5 inches, or 4 cm. C A single rescuer should use three fingers on the dominant hand to do compressions.