A person has a condition where the blood flows from the right atrium directly into the left atrium. Which congenital defect is most likely?
Q1. A person has a condition where the blood flows from the right atrium directly into the left atrium. Which congenital defect is most likely?
Answer: Atrial septal defect
Explanation: Atrial septal defect allows blood to flow between atria; patent foramen ovale is a related but distinct condition.