The nurse is reviewing fetal circulation with a pregnant patient and explains that blood circulates through the placenta to the fetus. What is the function of ductus arteriosus?
Select one:
Lungs bypass
Brain bypass
Liver bypass
Cardiac bypass
The Correct Answer is A
a. The function of the ductus arteriosus is to bypass the lungs in fetal circulation, allowing oxygenated blood from the placenta to be shunted directly to systemic circulation.
b. Ductus arteriosus does not bypass the brain; it specifically bypasses the lungs.
c. Ductus venosus shunts blood away from the liver, not the ductus arteriosus.
d. Ductus arteriosus shunts blood away from the lungs, not the heart itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
a. This is not the correct intervention for a prolapsed umbilical cord.
b. This is not the correct intervention for a prolapsed umbilical cord.
c. This is the correct intervention for a prolapsed umbilical cord as it helps relieve pressure on the cord and improve fetal oxygenation.
d. This may be necessary if other interventions are not successful, but it is not the initial priority.
Correct Answer is C
Explanation
a. This may be necessary once the woman's condition stabilizes, but it is not the initial treatment.
b. This is not typically indicated for hyperemesis gravidarum.
c. This is the initial treatment for hyperemesis gravidarum to prevent dehydration and correct electrolyte imbalances.
d. This may be part of the treatment plan, but it is not the initial treatment.
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