Which of the following is the most common congenital heart defect?
a. transposition of the great arteries c. pulmonary atresia
b. ventral septal defect d. atrial septal defect
B
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A Incorrect. Transposition of the great arteries is not the most common congenital heart defect.
B Correct. Ventral septal defect (VSD) is the most common congenital heart defect. Isolated VSDs and those VSDs associated with other congenital anomalies account for approximately 50% of infants with congenital heart disease.
C Incorrect. Pulmonary atresia is not the most common congenital heart defect.
D Incorrect. Atrial septal defect is not the most common congenital heart defect.
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