A nurse in labor and delivery is caring for a client. Following the delivery of the placenta, the nurse examines the umbilical cord.
Which of the following vessels should the nurse expect to observe in the umbilical cord?
One artery and one vein.
Two veins and one artery.
Two arteries and two veins.
Two arteries and one vein.
The Correct Answer is D
Choice A rationale
The umbilical cord typically contains two arteries and one vein, not one artery and one vein. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Choice B rationale
The umbilical cord typically contains two arteries and one vein, not two veins and one artery. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Choice C rationale
The umbilical cord typically contains two arteries and one vein, not two arteries and two veins. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Choice D rationale
The umbilical cord typically contains two arteries and one vein. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
If a patient in labor at 40 weeks of gestation reports saturating two perineal pads in the past 30 minutes, and placenta previa is suspected, an appropriate nursing action would be to prepare for a cesarean birth. Placenta previa, where the placenta partially or completely covers the cervical opening, can cause significant bleeding and is typically managed with a cesarean delivery to prevent further bleeding and ensure the safety of the mother and baby.
Correct Answer is D
Explanation
Choice D rationale
Changes in the cervix, including effacement (thinning) and dilation (opening), are reliable signs of true labor. During true labor, contractions cause the cervix to thin and open to prepare for the passage of the baby. This is in contrast to Braxton Hicks contractions, or “false labor,” which are irregular and do not result in changes to the cervix.
Choice A rationale
The position of the presenting part can provide information about the progress of labor and the likely need for interventions, but it is not a definitive sign of labor.
Choice B rationale
Membrane rupture, or “water breaking,” can occur before or during labor. However, not all women experience a noticeable rupture of membranes, and sometimes the fluid can leak slowly, making it less noticeable.
Choice C rationale
A regular contraction pattern can be a sign of labor, but contractions can also occur in patterns during false labor. Therefore, contraction pattern alone is not a definitive sign of labor.
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