A nurse in labor and delivery is caring for a client. Following 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?
Two arteries and one vein
Two veins and one artery
One artery and one vein
Two arteries and two veins
The Correct Answer is A
The correct answer is A. Two arteries and one vein.
A. Two arteries and one vein is the typical composition of the umbilical cord vessels. The umbilical arteries carry deoxygenated blood and waste products away from the fetus, while the umbilical vein carries oxygenated blood and nutrients to the fetus.
B. Two veins and one artery is not the usual configuration of the umbilical cord vessels. The presence of two veins is atypical.
C. One artery and one vein is an abnormal finding and may be associated with certain congenital anomalies or fetal abnormalities. This configuration is not the norm.
D. Two arteries and two veins is not a standard or physiological composition of the umbilical cord. The typical configuration is two arteries and one vein.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A Reason:
Hemoglobin (Hgb) of 20 g/dL is elevated, but this can be a normal finding in a newborn and does not necessarily require immediate intervention.
Choice B Reason:
Total bilirubin of 5 mg/dL is within the normal range for a 24-hour-old newborn.
Choice C Reason:
Blood glucose 30 mg/dL. A blood glucose level of 30 mg/dL is significantly lower than the normal range for a newborn. Hypoglycemia in a newborn can lead to neurologic complications, so it is important to report this result promptly for further evaluation and intervention.
Choice D Reason:
White blood cell (WBC) count of 20,000/mm³ is within the expected range for a newborn and is not a cause for immediate concern. Newborns often have higher WBC counts shortly after birth.
Correct Answer is A
Explanation
A. Prepare equipment needed for newborn resuscitation.
A. Preparing equipment needed for newborn resuscitation is the correct action.
Meconium-stained amniotic fluid can increase the risk of meconium aspiration syndrome in the newborn. While the fetal heart rate is reassuring, being prepared for potential newborn resuscitation is prudent given the meconium staining.
B. Performing endotracheal suctioning as soon as the fetal head is delivered is not the current standard of care. The American Academy of Pediatrics (AAP) no longer recommends routine suctioning of meconium-stained infants unless they show signs of respiratory distress, poor muscle tone, or a depressed heart rate.
C. Preparing the client for an ultrasound examination is not the immediate priority. Meconium-stained amniotic fluid may be associated with fetal distress, but the focus should be on the current labor and delivery situation.
D. Preparing the client for an emergency cesarean birth is not the first action.
The presence of meconium staining alone does not necessarily indicate the need for an emergency cesarean birth, especially if the fetal heart rate is reassuring.
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