Knowledge Check: Fetal Circulation
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Question 1 of 5
1. Question
In fetal circulation, blood pumped by the right ventricle is more likely to flow into:
Hint
In fetal circulation there is high resistance to blood flow in the pulmonary circulation and low resistance to blood flow in the systemic circulation.
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Question 2 of 5
2. Question
Changes at birth include: (check all that apply)
Hint
Once the umbilical cord is clamped, the pattern of fetal pulmonary and systemic vascular resistances is reversed.
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Question 3 of 5
3. Question
After birth, the foramen ovale begins to close once the pressure on the left side of the heart is greater than the pressure on the right side of the heart.
Hint
After birth, the introduction of air into the lungs causes pressure in the pulmonary circulation to drop.
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Question 4 of 5
4. Question
Fetal circulation is notable for:
Hint
In fetal circulation, the lungs are fluid-filled.
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Question 5 of 5
5. Question
Which of the following are true of the ductus venosus in the fetus? (Check all that apply)
Hint
The ductus venosus is open at the time of birth, making central venous access possible through the umbilical vein.
