This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Ductus dependent blood flow is required for all of these congenital heart diseases except – 
Select and explain. 
A. Persistent truncus arteriosus, B. Hypoplastic left heart syndrome, C. Pulmonary stenosis, D. TGA with intact ventricular septum
A: Persistent truncus arteriosus
Answer: A: Persistent truncus arteriosus 
Explanation: None