[Expert Solution]: A 27-year-old man is brought to the…

A 27-year-old man is brought to the emergency department by ambulance because he has had severe shortness of breath for the past four hours as well as yellow Renoa, cough, and fever for the past four days. When paramedics arrived on the scene, the patient’s oxygen saturation was 72% on room air. In route to the emergency department oxygen saturation increased to 89% after administration at 15 L per minute of oxygen via nonrebreather mask;Albuterol was an administered three times via small volume nebulizer. Medical history includes asthma and allergic rhinitis. Current medications include albuterol via metered dose, inhaler and nebulizer, budesonide/formoterol, montelukast. In loratadine. The patient smokes, 1/2 pack of cigarettes daily; he does not use list of drugs. Temperature is 99.9deg F, heart rate is 120 per minute, respirations are 28 per minute, and blood pressure is 145/100.The patient appears fatigued, is wheezing, and speaks in three word sentences. Physical examination shows boggy nasal terminate. Auscultation of the chest shows decreased air movements; heart rate is tachycardic with regular rhythm. During examination, the patient becomes increasingly lethargic. Which of the following is the most appropriate next step a administration of albuterol via nebulizer B administered admission of the patient to the intensive care unitC cardio, pulmonary recuscitation D chest x-ray or E endotracheal intubation