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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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l.k.2222 l.k.2222
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6 years ago
Which congenital cardiac defect is the foramen ovale classified as if it fails to close after the infant transitions from fetal circulation to pulmonary circulation?
 
  1. A ventricular septal defect
   2. A coarctation of the aorta
   3. An atrial septal defect
   4. A complete atrioventricular canal
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#1
6 years ago
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Rationale:
1. A ventricular septal defect is an opening between the right and left ventricle, and is not in the location of the foramen ovale.
2. A coarctation of the aorta is a narrowing in the descending aorta.
3. Atrial septal defect is the resulting defect if the foramen ovale remains open.
4. An atrioventricular canal involves an atrial septal defect that connects with a ventricular septal defect, and is lower in the atrial septum than the foramen ovale.
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