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Questions and Answers
What is the function of the foramen ovale in fetal pulmonary circulation?
What is the function of the foramen ovale in fetal pulmonary circulation?
- To regulate the flow of oxygenated blood to the fetal lungs
- To facilitate gas exchange in the developing fetal lungs
- To connect the pulmonary artery to the aorta
- To allow blood to bypass the right ventricle and flow directly from the right atrium to the left atrium (correct)
What is the role of the ductus arteriosus in fetal pulmonary circulation?
What is the role of the ductus arteriosus in fetal pulmonary circulation?
- To increase blood flow to the non-functional fetal lungs
- To facilitate gas exchange in the developing fetal lungs
- To regulate blood flow between the right and left ventricles
- To connect the pulmonary artery to the aorta, allowing most of the blood pumped by the right ventricle to bypass the fetal lungs (correct)
What ensures that a significant portion of oxygen-rich blood is directed towards the fetal brain and body?
What ensures that a significant portion of oxygen-rich blood is directed towards the fetal brain and body?
- The placental exchange of oxygen and nutrients
- The foramen ovale in fetal heart
- Fetal pulmonary circulation adaptations (correct)
- The presence of shunts in fetal circulation
Why do fetal lungs receive a minimized amount of blood in pulmonary circulation?
Why do fetal lungs receive a minimized amount of blood in pulmonary circulation?
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What is unique about fetal pulmonary circulation compared to postnatal circulation?
What is unique about fetal pulmonary circulation compared to postnatal circulation?
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