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: Unknown
[{'content': 'A child presents with peripheral circulatory failure. The arterial pH is 7.0, pCO2 of 15 mmHg, pO2 76 mmHg. Which of the following will be the immediate therapy- \nSelect and explain. \nA. Sodium bicarbonate infusion, B. A bolus of Ringers lactate, C. A bolus of hydroxyethyl starch, D. Dopamine infusion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans- B Volume replacement by RL or normal saline is the first step in the management of shock (peripheral circulatory failure). Giving Sod bicarb without fluids increases mortality by cardio-depressant action', 'role': 'assistant'}]