The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 65-year-old male presents to the emergency department from his home complaining of dyspnea. He is alert and oriented. The following arterial blood gas readings are drawn: pH: 7.33 (Normal: 7.35-7.45), pCO2: 70 mmHg (Normal: 35-45 mmHg), HCO3 33 (Normal: 21-26 mEq/L) Which of the following is most likely to have produced this patient’s condition?   (A) Panic attack   (B) Mechanical ventilation   (C) Pulmonary embolus   (D) Chronic obstructive bronchitis
['(D) Chronic obstructive bronchitis <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Panic attack \n (B) Mechanical ventilation \n (C) Pulmonary embolus \n (D) Chronic obstructive bronchitis <> possible answers', '  A 65-year-old male presents to the emergency department from his home complaining of dyspnea. He is alert and oriented. The following arterial blood gas readings are drawn: pH: 7.33 (Normal: 7.35-7.45), pCO2: 70 mmHg (Normal: 35-45 mmHg), HCO3 33 (Normal: 21-26 mEq/L) Which of the following is most likely to have produced this patient’s condition? <> context@']