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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is C.
A. Acrocyanosis of the extremities: Acrocyanosis, or blueness of the extremities, is a common finding in newborns and is usually considered normal. It often resolves on its own and doesn't typically require intervention.
B. Murmur at the left sternal border: It's not uncommon for newborns to have innocent murmurs, and many resolve on their own as the infant grows. A murmur at the left sternal border alone may not necessarily indicate a problem, but it should be assessed by a healthcare provider.
C. Substernal chest retractions while sleeping: Chest retractions can be a sign of respiratory distress, and intervention is needed to assess and address the cause. Substernal retractions suggest increased work of breathing and may indicate a respiratory issue that requires attention.
D. Positive Babinski reflex: The Babinski reflex is a normal neurological response in infants. It involves the toes fanning out when the sole of the foot is stroked. A positive Babinski reflex is expected in a 12-hour-old newborn and does not require intervention.
Correct Answer is D
No explanation
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