Answer to Question 1
C
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A Incorrect. In addition to closing the atrial and septal defect, the goal of surgery for atrioventricular septal defect is not to close a patent ductus arteriosus, which accompanies the atrioventricular septal defect.
B Incorrect. In addition to closing the atrial and septal defect, the goal of surgery for atrioventricular septal defect is not to insert a coil or similar device to close off the defect.
C Correct. In addition to closing the atrial and septal defect, the goal of surgery for atrioventricular septal defect is to construct new mitral and tricuspid valves from the common A-V valve. AVC is associated with a septal defect in the atrium and ventricle, and involvement of the A-V valves. When the heart is developing the atrial and ventricular septa are not fully completed, thus, causing the mitral and tricuspid valves to develop inappropriately.
D Incorrect. In addition to closing the atrial and septal defect, the goal of surgery for atrioventricular septal defect is not to close the communication between the pulmonary artery and the aorta.
Answer to Question 2
C
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A Incorrect. The baby teeth or primary teeth of a baby are not also called cuspids.
B Incorrect. The baby teeth or primary teeth of a baby are not also called incisors.
C Correct. The baby teeth or primary teeth of a baby are also called deciduous.
D Incorrect. The baby teeth or primary teeth of a baby are not also called molars.
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