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
[{'content': 'A 25 year male presented with nausea, vomiting, epigastric pain, Na+ level is 125 meq/L. Treatment start with \nSelect and explain. \nA. Give hypotonic saline, B. Ultra centrifugation, C. Haemodialysis, D. High protein diet', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Give hypotonic saline) (758- 61 - CMDT- 08) (277-79, 2223-2224-Hl7th)* Treatment consist of replacement of lost volume with isotonic or half normal (0.45%) saline or lactated Ringer *s infusion in hypovolemic Hypotonic Hyponatremia* Asymptomatic hyponatremia - water restriction, 0.9% saline Demeclocycline. Fludrocortisone, selective renal vasopressin V2 antagonists (conivaptan. Mozavaptan, tolvaptan)* Hypervolemic hypotonic hyponatremia - water restriction Diuretics and V2 antagonists. Hypertonic (3%) saline', 'role': 'assistant'}]