In a patient with a patent ductus arteriosus, which vessel is responsible for shunting blood from the aorta to the pulmonary artery?
Q1. In a patient with a patent ductus arteriosus, which vessel is responsible for shunting blood from the aorta to the pulmonary artery?
Answer: Ductus arteriosus
Explanation: Ductus arteriosus shunts blood from aorta to pulmonary artery when patent; pulmonary vein is not directly involved.