A fourth-year medical student was asked by a pediatrician what factors are responsible for the closure of the foramen ovale in the atrial septum at birth. The student also was asked if oxygenated or deoxygenated blood normally passes through the foramen ovale during fetal life. How would you answer these questions?

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The Answer of A fourth-year medical student was asked by a pediatrician what factors are responsible for the closure of the foramen ovale in the atrial septum at birth. The student also was asked if oxygenated or deoxygenated blood normally passes through the foramen ovale during fetal life. How would you answer these questions?

A Fourth-Year Medical Student Was Asked by a Pediatrician What