The most common type of congenital heart defect is:
A) atrial septal defect.
B) ventricular septal defect.
C) tetralogy of Fallot.
D) atrioventricular canal defect.

Question

Quizplus · Accepted Answer

Ventricular septal defect is the most common type of congenital heart defect, accounting for about 30-40% of cases. It is a hole in the wall between the two lower chambers of the heart, allowing oxygen-rich and oxygen-poor blood to mix.

The Most Common Type of Congenital Heart Defect Is