The nurse is teaching the parents of a newborn diagnosed with atrial septal defect the etiology of this disorder. Which of the following statements accurately describes this condition?
A) "Your baby's ductus arteriosus in the heart failed to close at birth."
B) "There are abnormal openings between your baby's heart chambers."
C) "Four major heart defects have occurred simultaneously in your baby's heart."
D) "Your baby's aorta narrows as it leaves the heart."
B
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Several congenital heart and blood vessel defects are seen in newborns. With atrial septal defect (ASD) and ventricular septal defect (VSD), abnormal openings exist between the respective heart chambers. In patent ductus arteriosus, the ductus arteriosus fails to close at birth. With Tetralogy of Fallot, four major heart defects occur simultaneously: pulmonary stenosis, ventricular septal defect, overriding aorta, and hypertrophy of the right ventricle. With coarctation of the aorta, the aorta narrows as it leaves the heart.
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