The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 47-year-old woman is brought to the emergency department by paramedics. She was found unconscious on a park bench by a bystander. Her history is unobtainable. Vitals include a pulse of 64/min, a respiratory rate of 7/min, and a blood pressure of 110/70 mm Hg. On examination, the patient is unresponsive to voice and touch but shows a flexor response to pain. Her breathing is shallow. The pupils are constricted, and a response to light cannot be determined. An arterial blood gas sample reveals: pH 7.26 Pco2 70 mm Hg HCO3-  26 mEq/L Which of the following could explain this patient's presentation?   (A) Diabetic ketoacidosis   (B) Diuretic overdose   (C) Hyperventilation   (D) Opioid overdose
['(D) Opioid overdose <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Diabetic ketoacidosis \n (B) Diuretic overdose \n (C) Hyperventilation \n (D) Opioid overdose <> possible answers', "  A 47-year-old woman is brought to the emergency department by paramedics. She was found unconscious on a park bench by a bystander. Her history is unobtainable. Vitals include a pulse of 64/min, a respiratory rate of 7/min, and a blood pressure of 110/70 mm Hg. On examination, the patient is unresponsive to voice and touch but shows a flexor response to pain. Her breathing is shallow. The pupils are constricted, and a response to light cannot be determined. An arterial blood gas sample reveals:\npH 7.26\nPco2 70 mm Hg\nHCO3-  26 mEq/L\nWhich of the following could explain this patient's presentation? <> context@"]