U01.07.004 Fetal circulation

Identify the ductus arteriosus in a fetal circulation diagram—understand how prostaglandins maintain its patency before birth and how NSAIDs (indomethacin) promote closure after birth.

Question categories All Questions, M01.11 Embryology, U01.07 Cardiovascular System, USMLE Step 1 Review Series

Question tags Cardiovascular Embryology, Congenital Heart Defects, Developmental Biology, Drag and Drop, Ductus Arteriosus, Fetal Circulation, Indomethacin, Medical Embryology, Neonatal Physiology, NSAIDs, Patent Ductus Arteriosus, PDA, Prostaglandins, USMLE Step 1

8 Total attempts

Think you got it right?

Take the full course, get graded, and level up your learning—organized just for you!

All Courses