Multiple Choice
In children with tetralogy of Fallot,why does unoxygenated blood enter the systemic circulation?
A) The aorta and pulmonary artery have exchanged positions.
B) Pulmonary stenosis changes the ventricular pressures.
C) The left ventricular wall has hypertrophied.
D) The septal defect allows exchange of blood between the atria.
Correct Answer:
Verified
Correct Answer:
Verified
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