This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'An ABG analysis shows : pH 7.2, raised pCO2, decreased HCO3; diagnosis is \nSelect and explain. \nA. Respiratory acidosis, B. Compensated metabolic acidosis, C. Respiratory and metabolic acidosis, D. Respiratory alkalosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: pH < 7.35 : acidosisraised PCO2 : respiratory component is primarydecreased HCO3- : this is also primarytherefore acid base disorder is both respiratory and metabolic acidosisRef: Harrison's 18/e p364 Table 47-2", 'role': 'assistant'}]