This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': 'Which of the following drugs are used in a patient with tetralogy of fallot? \nSelect and explain. \nA. Digoxin, furosemide, and oxygen, B. Morphine, soda-bicarb, and propranolol, C. Atenolol with DC conveer, D. Captopril with aminophylline', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Medical treatment of TOF include propanolo,morphine. Ghai essential of pediatrics, eighth edition, p.no:422', 'role': 'assistant'}]