A newborn baby is readmitted to the hospital with hypoxia and upon testing is found to have pulmonary stenosis, dextraposition of the aoa, interventricular septal defect, and hyperophy of the right ventricle. Which of the following is best described by these symptoms?

Tetralogy of Fallot is a combination of congenital cardiac defects consisting of- (a) pulmonary stenosis, (b) dextraposition of the aoa (so that it overrides the ventricular septum and receives blood from the right ventricle), (c) ventricular septal defect (VSD), (d) right ventricular hyperophy.