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

Answer and Explanation

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.

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Correct Answer is C

Explanation

a. This is not where fetal heart tones are typically auscultated.
b. This is not where fetal heart tones are typically auscultated.
c. The round, firm, moveable part in the fundus of the uterus is most likely the fetal head, and the long, smooth surface on the right side is most likely the fetal back. The fetal heart tones are best heard over the fetal back, which is closest to the maternal abdomen. Therefore, the nurse should expect to auscultate fetal heart tones in the right upper quadrant.
d. This is not where fetal heart tones are typically auscultated.

A. Bulging of the vulva B. The membranes rupture during a contraction C. The fetal head is felt at 0 station during vaginal examination D. Bloody mucus discharge increases

Correct Answer is A

Explanation

a. Bulging of the vulva: This indicates that the fetal head is descending but does not necessarily mean the woman is almost ready to give birth. This indicates that the fetal head is crowning and putting pressure on the perineum, which means that delivery is imminent.
b. This indicates that the amniotic sac has ruptured but does not necessarily mean the woman is almost ready to give birth.
c. The fetal head at 0 station means that it is at the level of the maternal ischial spines, but it still needs to descend further to reach the perineum.
d. This indicates that the woman is in the early stages of labor but does not necessarily mean she is almost ready to give birth.

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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:

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Naxlex Comprehensive Predictor Exams

Correct Answer is C

Explanation

Which nursing assessment indicates that a woman who is in second-stage labor is almost ready to give birth Select one:

Correct Answer is A

Explanation

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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:

The nurse is caring for a woman hospitalized for hyperemesis gravidarum. What should the nurse expect the initial treatment will be? Select one:

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: