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Questions and Answers
Which vessel carries oxygenated blood from the placenta to the fetus?
Which vessel carries oxygenated blood from the placenta to the fetus?
- Ductus Arteriosus
- Inferior Vena Cava
- Pulmonary Artery
- Umbilical Vein (correct)
What is the function of the foramen ovale in fetal circulation?
What is the function of the foramen ovale in fetal circulation?
- Allowing blood to bypass the lungs and flow directly to the left atrium (correct)
- Carrying deoxygenated blood to the placenta
- Regulating blood flow to the lower extremities
- Transporting oxygenated blood to the body circulation
What causes the closure of the ductus arteriosus after birth?
What causes the closure of the ductus arteriosus after birth?
- Decreased pulmonary vascular resistance
- Increase in pressure of the left atrium
- Increased pressure in the right atrium
- Right-to-left shunting of blood (correct)
What happens to the umbilical arteries and vein at birth?
What happens to the umbilical arteries and vein at birth?
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How does the pressure within systemic and pulmonary circulation differ in fetal circulation?
How does the pressure within systemic and pulmonary circulation differ in fetal circulation?
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