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: Medicine
In aerial blood gas analysis of a patient with pCO2- 30, p02-115 and pH-7.45, patient has compensated: 
Select and explain. 
A. Respiratory alkalosis, B. Metabolic alkalosis, C. Respiratory acidosis, D. Metabolic acidosis
A: Respiratory alkalosis
Answer: A: Respiratory alkalosis 
Explanation: Ans. a. Respiratory alkalosis (Ref Oxford Handbook of Medicine 5/e p684)In aerial blood gas analysis of a patient with pCO2-30, p02-115 and pH-7.45, patient has compensated respiratory alkalosis.