This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
[{'content': 'A 40 year old male develops excessive hyperventilation.ABG reveals pH-7.5,pCO2 24 mm Hg,PO2 88 mmHg. Diagnosis? \nSelect and explain. \nA. Respiratory alkalosis, B. Metabolic alkalosis, C. Respiratory acidosis, D. Metabolic acidosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref Harrison 19 th ed pg 323 There is alkalosis (pH-7.5) and CO2 is low ( alkalosis).change in CO2 is in keeping with change in pH and thus the primary cause is respiratory. The acid base disturbance is thus primary respiratory alkalosis.', 'role': 'assistant'}]