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 D
Explanation
A. Brownish vaginal discharge may indicate the presence of old blood or mucus and is not necessarily a cause for concern in the absence of other signs or symptoms.
B. Contractions occurring every 4 to 5 minutes are within the normal frequency range during the first stage of labor.
C. Pink mucoid vaginal discharge, also known as the "bloody show," is a common occurrence in early labor and is not typically a cause for immediate concern.
D. Contractions lasting 100 seconds are excessively long and are a cause for concern.
Prolonged contractions can lead to decreased uterine blood flow, impacting fetal oxygenation. Such prolonged contractions should be assessed and addressed promptly.
Correct Answer is D
Explanation
Choice A Reason:
"I will receive this medication if my baby is Rh-negative." This statement does not record understanding of the teaching. The purpose of Rho(D) immune globulin is to prevent sensitization of an Rh-negative mother to Rh-positive fetal blood. If the baby is Rh-negative, there is no need for Rho(D) immune globulin.
Choice B Reason:
"I will receive this medication when I am in labor." This statement does not record understanding of the teaching. Rho(D) immune globulin is typically given around 28 weeks of pregnancy and possibly after events that could lead to mixing of maternal and fetal blood, not specifically during labor.
Choice C Reason:
"I will need a second dose of this medication when my baby is 6 weeks old." This statement does not record understanding of the teaching. The administration of Rho(D) immune globulin is generally based on events during pregnancy and delivery, and a second dose is not typically given postpartum unless the baby is Rh-positive.
Choice D Reason:
"I will need this medication if I have an amniocentesis." This statement records understanding of the teaching. Rho(D) immune globulin is given to Rh-negative women during pregnancy and certain other situations to prevent the development of Rh incompatibility with a Rh-positive baby. If the mother undergoes procedures such as amniocentesis or experiences events that could lead to mixing of maternal and fetal blood, Rho(D) immune globulin is administered.
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