A 1-month-old infant was diagnosed with truncus arteriosus (TA) with a ventricular septal defect.This condition results in:
A) hypertrophy of the aorta and major arteries.
B) transposition of the aorta and the pulmonary trunk.
C) the aorta returning blood to the right atrium.
D) blood from both ventricles mixing in a common vessel.

Question

Quizplus · Accepted Answer

Truncus arteriosus is a congenital heart defect where a single common arterial trunk arises from the heart, leading to mixing of oxygenated and deoxygenated blood from both ventricles in this common vessel.

A 1-Month-Old Infant Was Diagnosed with Truncus Arteriosus (TA) with a Ventricular