This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Which of the following best represent the ABC value of PH-7.2, HCO3 -36 mmol/L, PCO2-60 mm of Hg? \nSelect and explain. \nA. Respiratory acidosis with metabolic alkalosis, B. Respiratory acidosis, C. Respiratory alkalosis with metabolic acidosis, D. Respiratory acidosis with metabolic acidosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Respiratory acidosis PH, 7.2--decreased (normal 7.4) HCO3, 36 mmo1/l--increased (22-28 mmHg) PCO2, 60 mmHg--increased (normal 40 mmHg) So it is a respiratory acidosis (pH 7.2 and PCO2 60) with compensation (increases HCO3)', 'role': 'assistant'}]