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
Potts shunt is – 
Select and explain. 
A. Right subclavian artery to rt pulmonary artery, B. Descending aorta to left pulmonary artery, C. Left subclavian to left pulmonary artery, D. Ascending aorta to right pulmonary artery
B: Descending aorta to left pulmonary artery
Answer: B: Descending aorta to left pulmonary artery 
Explanation: None