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
Which is the most common congenital cardiac defect? 
Select and explain. 
A. TAPVC, B. Transposition of great arteries, C. Ventricular septal defect, D. Atrial septal defect
C: Ventricular septal defect
Answer: C: Ventricular septal defect 
Explanation: 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