<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 27-year-old man presents to the emergency department with his family because of abdominal pain, excessive urination, and drowsiness since the day before. He has had type 1 diabetes mellitus for 2 years. He ran out of insulin 2 days ago. The vital signs at admission include: temperature 36.8C 98.2F, blood pressure 10269 mm Hg, and pulse 121min. On physical examination, he is lethargic and his breathing is rapid and deep. There is a mild generalized abdominal tenderness without rebound tenderness or guarding. His serum glucose is 480 mgdL. Arterial blood gas of this patient will most likely show which of the following?? A: pH, bicarbonate, and normal pCO2, B: pH, normal bicarbonate and pCO2, C: pH, normal bicarbonate and pCO2, D: pH, bicarbonate and anion gap, E: pH, bicarbonate and normal anion gap,  <response>: This is a question about diabetic ketoacidosis DKA in a patient with type 1 diabetes mellitus. The patient has signs and symptoms of DKA including abdominal pain, excessive urination, drowsiness, rapid deep breathing, and very high blood glucose. In DKA, insulin deficiency leads to increased lipolysis and ketogenesis which causes an elevated anion gap metabolic acidosis. Therefore, the arterial blood gas will likely show a decreased pH, decreased bicarbonate, and increased anion gap.D: pH, bicarbonate and anion gap 