This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.H.D., Subject name: Pediatrics
[{'content': 'Which is the most common congenital cardiac defect? \nSelect and explain. \nA. TAPVC, B. Transposition of great arteries, C. Ventricular septal defect, D. Atrial septal defect', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Ventricular septal defect o VSD is the most common congenital heart diseaseo TOF is the commonest cyanotic congenital heart disease", 'role': 'assistant'}]