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 D
Explanation
a. This is an appropriate order for a client with severe preeclampsia to monitor fetal well-being.
b. This is an appropriate order for a client with severe preeclampsia to monitor fluid status.
c. This is an appropriate order for a client with severe preeclampsia to monitor for signs of worsening preeclampsia.
d. This order may not be appropriate for a client with severe preeclampsia who may be at risk for falls or other complications. The nurse should clarify this order with the provider.
Correct Answer is B
Explanation
a. This is not the purpose of maternal serum alpha-fetoprotein testing.
b. Maternal serum alpha-fetoprotein testing is used to screen for neural tube defects and other spinal defects in the fetus.
c. This is not the purpose of maternal serum alpha-fetoprotein testing.
d. This is not the purpose of maternal serum alpha-fetoprotein testing.
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