Which heart defect results in a single vessel arising from both ventricles, providing blood to both the pulmonary and systemic circulations?
A)Coarctation of the aorta
B)Tetralogy of Fallot
C)Total anomalous pulmonary connection
D)Truncus arteriosus

Question

Quizplus · Accepted Answer

Truncus arteriosus is the failure of the large embryonic artery, the truncus arteriosus, to divide into the pulmonary artery and the aorta, which results in a single vessel arising from both ventricles, providing blood flow to the pulmonary and systemic circulations. None of the other options produce the described structural malformation.

Which Heart Defect Results in a Single Vessel Arising from Both