A 42-year-old man comes to the physician because of a 2-month history of fatigue and increased urination. The patient reports that he has been drinking more than usual because he is constantly thirsty. He has avoided driving for the past 8 weeks because of intermittent episodes of blurred vision. He had elevated blood pressure at his previous visit but is otherwise healthy. Because of his busy work schedule, his diet consists primarily of fast food. He does not smoke or drink alcohol. He is 178 cm (5 ft 10 in) tall and weighs 109 kg (240 lb); BMI is 34 kg/m2. His pulse is 75/min and his blood pressure is 148/95 mm Hg. Cardiopulmonary examination shows no abnormalities. Laboratory studies show: Hemoglobin A1c 6.8% Serum Glucose 180 mg/dL Creatinine 1.0 mg/dL Total cholesterol 220 mg/dL HDL cholesterol 50 mg/dL Triglycerides 140 mg/dL Urine Blood negative Glucose 2+ Protein 1+ Ketones negative Which of the following is the most appropriate next step in management?
AMetformin therapy
BLow-carbohydrate diet
CAspirin therapy
DACE inhibitor therapy
EInsulin therapy
A 16-year-old woman presents to the emergency department for evaluation of acute vomiting and abdominal pain. Onset was roughly 3 hours ago while she was sleeping. She has no known past medical history. Her family history is positive for hypothyroidism and diabetes mellitus in her maternal grandmother. On examination, she is found to have fruity breath and poor skin turgor. She appears fatigued and her consciousness is slightly altered. Laboratory results show a blood glucose level of 691 mg/dL, sodium of 125 mg/dL, and elevated serum ketones. Of the following, which is the next best step in patient management?
AAdminister IV fluids and insulin
BInitiate basal-bolus insulin regimen
CInitiate insulin glargine 10 units at bedtime only
DInitiate oral antidiabetic medications
EInitiate insulin aspart at mealtimes only
A 13-year-old boy is brought to the emergency department after being involved in a motor vehicle accident in which he was a restrained passenger. He is confused and appears anxious. His pulse is 131/min, respirations are 29/min, and blood pressure is 95/49 mm Hg. Physical examination shows ecchymosis over the upper abdomen, with tenderness to palpation over the left upper quadrant. There is no guarding or rigidity. Abdominal ultrasound shows free intraperitoneal fluid and a splenic rupture. Intravenous fluids and vasopressors are administered. A blood transfusion and exploratory laparotomy are scheduled. The patient's mother arrives and insists that her son should not receive a blood transfusion because he is a Jehovah's Witness. The physician proceeds with the blood transfusion regardless of the mother's wishes. The physician's behavior is an example of which of the following principles of medical ethics?
AAutonomy
BNonmaleficence
CInformed consent
DJustice
EBeneficence
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