The nurse is assessing a 4 year old who was sent to the ED from urgent care. Assessment reveals tripod positioning, blue lips, mottled skin, inspiratory stridor, and excessive drooling. Vital signs are: Temp: 39 CHR: 188 RR: 46 02: 82 % Which of the following should the nurse do first? A: Keep the child calm and call for emergency airway equipment B: Obtain IV access C: Assess the throat for a cherry red epiglottis D: Place the child on a high flow nasal cannula at 100% Fi02