A 4-Year-Old Girl Is Brought to the Emergency Department

A 4-year-old girl is brought to the emergency department.She has a "froglike" croaking sound on inspiration,is agitated,and is drooling.She insists on sitting upright.The nurse should intervene in which manner?

A) Make her lie down and rest quietly.
B) Examine her oral pharynx and report to the physician.
C) Auscultate her lungs and prepare for placement in a mist tent.
D) Notify the physician immediately and be prepared to assist with a tracheostomy or intubation.