In fetal circulation, the pressure is greatest in the
a. Right atrium
b. Left atrium
c. Hepatic system
d. Pulmonary veins
A
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A Pressure in fetal circulation is greatest in the right atrium, which allows a
right-to-left shunting that aids in bypassing the lungs during intrauterine life.
B The pressure increases in the left atrium after birth and will close the foramen
ovale.
C The liver does not filter the blood during fetal life until the end. It is functioning
by birth.
D Blood bypasses the pulmonary vein during fetal life.
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