This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Medicine
A 40 years old male develops excessive hyperventilation. ABG reveals pH - 7.5, PCO224 mm Hg, PO2 88 mm of Hg. True statment is 
Select and explain. 
A. Respiratory alkalosis, B. Metabolic alkalosis, C. Respiratory acidosis, D. Metabolic acidosis
A: Respiratory alkalosis
Answer: A: Respiratory alkalosis 
Explanation: Ans. is 'a' Respiratory alkalosis. This one is quite simple.pH is increased and pCO2 is decreased which indicates respiratory alkalosis