Cardiac Abnormalities Quiz
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Questions and Answers

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?

  • 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?

  • Foramen primum (correct)
  • Foramen secundum
  • Septal cleft
  • Oblique valvular passage
  • What is the appearance of the caudal end of septum secundum?

    <p>Sickle-shaped</p> Signup and view all the answers

    What becomes incorporated into the septum secundum during its growth?

    <p>Pulmonary veins</p> Signup and view all the answers

    What structure degenerates to form the foramen secundum during fetal development?

    <p>Septum primum</p> Signup and view all the answers

    Which structure grows toward fused AV cushions during fetal development?

    <p>Septum primum</p> Signup and view all the answers

    What is the function of the foramen ovale?

    <p>Allows blood to flow from right to left</p> Signup and view all the answers

    What characterizes the formation of foramen primum?

    <p>Septum primum appears</p> Signup and view all the answers

    What happens when septum primum fuses with AV cushions?

    <p>Formation of foramen secundum</p> Signup and view all the answers

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