Fetal Circulation Quiz

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Fetal Circulation Quiz - Quiz

Play this quiz to review the fetal blood circulation system and test your knowledge regarding the same. Basically, fetal circulation is the blood circulatory system of a fetus and is quite different from adult circulation. If you think you know enough about it and can easily pass this test below, try out the quiz then. The students who are preparing for competitive medical exams can also evaluate their knowledge with this questionnarie. All the best, buddy!


Questions and Answers
  • 1. 
    Fetal blood is oxygenated by: 
    • A. 

      Fetal lungs

    • B. 

      Fetal liver

    • C. 

      Placental

    • D. 

      Inferior vena cava

  • 2. 
    Fetal circulation is uniquely designed to:
    • A. 

      Direct most of the oxygenated blood to the arterial system

    • B. 

      Avoid blood flow to nonfunctional fetal lungs

    • C. 

      Divert half of oxygenated blood away from the liver

    • D. 

      All of the above

  • 3. 
    The structure that diverts half of the oxygenated blood from the umbilical vein into the inferior vena cava is the:
    • A. 

      Foramen ovale

    • B. 

      Ductus arteriosus

    • C. 

      Ductus venosus

    • D. 

      Pulmonary trunk

  • 4. 
    The structure that diverts oxygenated blood from the right atrium to the left atrium:
    • A. 

      Foramen ovale

    • B. 

      Ductus arteriosus

    • C. 

      Ductus venous

    • D. 

      Pulmonary trunk

  • 5. 
    The structure that diverts oxygenated blood from the pulmonary trunk to the fetal aorta:
    • A. 

      Foramen ovale

    • B. 

      Ductus ateriosus

    • C. 

      Ductus venous

    • D. 

      Pulmonary trunk

  • 6. 
    Following circulation, deoxygenated fetal blood returns to the placenta via the:
    • A. 

      Umbilical arteries

    • B. 

      Umbilical veins

    • C. 

      Spinal arteries

    • D. 

      Uterine veins

  • 7. 
    What events happen during transitional circulation?
    • A. 

      The foramen ovale shunt closes

    • B. 

      The ductus arteriosus shunt closes

    • C. 

      The ductus venous shunt closes

    • D. 

      Gas exchange shifts from the placenta to the lungs

    • E. 

      All of the above

  • 8. 
    Which of the following is NOT true about postnatal development of the heart?
    • A. 

      The right ventricular myocardium thins

    • B. 

      There is a reduction in pulmonary vascular resistance

    • C. 

      The left ventricular myocardium thickens

    • D. 

      There is an increase in systemic circulation

    • E. 

      The position of the heart shifts higher

  • 9. 
    The lungs are non-functional and can be ___________ in a fetus.
    • A. 

      Bypassed

    • B. 

      Utilized

    • C. 

      Inflated

    • D. 

      Destroyed

  • 10. 
    The right ventricle pumps what type of blood up through the pulmonary artery?
    • A. 

      Oxygenated

    • B. 

      Deoxygenated

    • C. 

      Mixed

    • D. 

      None of the above

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