In a child with tetralogy of Fallot with pulmonic atresia, blood entering the right
ventricle generally passes through which of the following structures in its flow to the
lungs?
A. atrial septal defect
B. ventricular septal defect
C. coarctation of pulmonary artery
D. collateral circulation
instantknowledge Answered question August 20, 2024
D. Collateral circulation
In tetralogy of Fallot with pulmonic atresia, blood flows to the lungs through collateral vessels rather than the normal pulmonic valve, due to the obstruction.
instantknowledge Answered question August 20, 2024