A 1-month-old infant was diagnosed with truncus arteriosus (TA) with a ventricular septal defect. What does this condition result 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 blood vessel comes out of the heart, instead of separate aorta and pulmonary artery, leading to mixing of oxygenated and deoxygenated blood from both ventricles.

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