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Questions and Answers
Where does the septum secundum grow down from?
Where does the septum secundum grow down from?
- Below the septum primum
- Left of the septum primum
- Above the septum primum
- Right of the septum primum (correct)
What happens when the septum secundum overlaps the free edge of the septum primum?
What happens when the septum secundum overlaps the free edge of the septum primum?
- Foramen ovale closes
- Blood flows from right to left
- Blood flows from left to right (correct)
- Septal defects develop
What is the gap that allows blood to flow from right to left but not left to right?
What is the gap that allows blood to flow from right to left but not left to right?
- Foramen primum (correct)
- Foramen secundum
- Septal cleft
- Oblique valvular passage
What is the appearance of the caudal end of septum secundum?
What is the appearance of the caudal end of septum secundum?
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What becomes incorporated into the septum secundum during its growth?
What becomes incorporated into the septum secundum during its growth?
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What structure degenerates to form the foramen secundum during fetal development?
What structure degenerates to form the foramen secundum during fetal development?
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Which structure grows toward fused AV cushions during fetal development?
Which structure grows toward fused AV cushions during fetal development?
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What is the function of the foramen ovale?
What is the function of the foramen ovale?
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What characterizes the formation of foramen primum?
What characterizes the formation of foramen primum?
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What happens when septum primum fuses with AV cushions?
What happens when septum primum fuses with AV cushions?
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