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28 Cards in this Set
- Front
- Back
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Incomplete fusion of the endocardial cushions is typically associated with which ASD?
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primum type-ASD
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The fetal left atrium is derived mainly from?
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primordial pulmonary vein
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Congenital heart disease is the most common cardiac condition in childhood and most frequently results from?
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genetic factors
environmental factors |
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Most common type of defect in the cardiac septa?
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Membranous VSD
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Closure of foramen primum results from fusion of the?
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septum primum
endocardial cushions |
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The fetal right atrium is mainly derived from the?
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Sinus Venosus
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The most common congenital anomaly associated with the heart and great vessels associated with congenital rubella syndrome is?
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Patent Ductus Arteriosus
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When does the cardiovascular system reach a functional state?
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End of 3rd week
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In regard to a child with a Patent Ductus Arteriosus?
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Most of the blood from the pulmonary trunk flows in the aorta
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A defect in the membranous ventricular septum occurs due to the fusion failure of which structures?
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Failure of subendocardial tissue of endocardial cushions to fuse with aorticopulmonary septum and part of the IV septum
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Following an uncomplicated birth an infant begins to show signs of obvious cyanosis and mild tachypnea. A diagnosis of transposition of the great vessels is made. What causes this condition?
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Faulty partitioning:
Bulbus cordis Truncus arteriosus |
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Most common ASD seen clinically is which condition?
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foramen secundum defect
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The left recurrent laryngeal nerve recurs around which structure? Why?
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ductus arteriosus
both arise from 6th arch |
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Which one of the three germ layers forms the endocardium of the adult heart?
1)endoderm 2)mesoderm 3)ectoderm |
2)Mesoderm
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Proper alignment of the the AV canal and conoventricular canal is achieved by?
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dextral looping
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What is tricuspid atresia?
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obliteration of right AV canal
absence of tricuspid valve |
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What are the common defects associated with Tricuspid Atresia?
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patent foramen ovale
interventricular septal defect overdeveloped left ventricle underdeveloped right ventricle |
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Hepatic Sinusoids in the adult liver are derived from which embryonic vasculature?
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vitelline veins
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Which arterial malformation is most associated with premature infants?
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patent ductus arteriosus
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During a routine school physical you are performing on a 8 year old male you are unable to detect a pulse in the femoral artery, observe increased BP in the upper extremities, and enlarged intercostal veins apparent. What is the most likely diagnosis?
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Post-ductal coarctation of aorta
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Embryonic origin of:
Coronary sinus |
sinus venosus
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Embryonic origing of:
conus arteriosus |
bulbis cordis
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Embryonic origin of:
proximal aorta |
truncus arteriosus
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Embryonic Origin of:
Aortic Vestibule |
Bulbis Cordis
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Embryonic Origin of:
Sinus Venarum |
sinus venosus
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Embryonic Origin of:
Trabeculated Right Ventricle |
primitive ventricle
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Embryonic Origin:
Trabeculated Right Atrium |
primitive atrium
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Embryonic origin:
proximal pulmonary artery |
truncus arteriosus
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