A nurse is assisting in the care of a client who is in active labour. The nurse notes variable decelerations of the FHR. The nurse should identify which of the following is a cause of variable decelerations.
Fetal head compression.
Umbilical cord compression.
Maternal fever.
Polyhydramnios.
The Correct Answer is B
Choice A rationale:
Choice A, fetal head compression, is not the correct answer in this case. Fetal head compression can cause early decelerations in the FHR, not variable decelerations. Early decelerations are often a result of the fetal head being compressed during contractions and are considered benign and expected during labor.
Choice B rationale:
The correct answer is choice B, which is umbilical cord compression. Variable decelerations of the fetal heart rate (FHR) can occur during labor due to various rationales, and umbilical cord compression is one of the common causes. When the umbilical cord gets compressed, it can briefly reduce or restrict the blood flow and oxygen supply to the fetus, leading to temporary decelerations in the FHR.
Choice C rationale:
Choice C, maternal fever, is also not the correct answer for variable decelerations in FHR. Maternal fever can be a sign of infection, and it may lead to other fetal heart rate abnormalities, such as tachycardia (an increased heart rate), but it is not specifically associated with variable decelerations.
Choice D rationale:
Choice D, polyhydramnios, is not the cause of variable decelerations in this scenario. Polyhydramnios refers to an excessive accumulation of amniotic fluid around the fetus. While it can have implications for pregnancy, it is not directly linked to variable decelerations of the FHR.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
If the client is Rh positive and the newborn is Rh negative, there is no indication for administering Rho(D) immune globulin. Rho(D) immune globulin is only given when the Rh-negative mother gives birth to an Rh-positive baby.
Choice B rationale:
This is the correct choice for administering Rho(D) immune globulin. When the mother is Rh negative and the newborn is Rh positive, there is a risk of Rh incompatibility. If the fetal blood enters the mother's circulation during delivery, her immune system may produce antibodies against Rh-positive blood cells, which can be harmful to future Rh-positive pregnancies. To prevent this, Rho(D) immune globulin is administered to the Rh-negative mother shortly after delivery.
Choice C rationale:
If both the mother and the newborn are Rh-negative, there is no risk of Rh incompatibility. Rho(D) immune globulin is not required in this situation.
Choice D rationale:
If both the mother and the newborn are Rh-positive, there is no risk of Rh incompatibility. Rho(D) immune globulin is not indicated in this case.
Correct Answer is C
Explanation
The correct answer is choice c. Dry the newborn.
Choice A rationale:
Confirming identification and applying a bracelet is important for ensuring the newborn’s identity and preventing mix-ups, but it is not the immediate priority right after birth.
Choice B rationale:
Examining the newborn for birth defects is crucial for identifying any immediate health concerns, but it should be done after initial stabilization measures like drying and warming the newborn.
Choice C rationale:
Drying the newborn is the first action the nurse should take immediately after delivery. This helps to prevent heat loss and maintain the newborn’s body temperature, which is critical for their survival and well-being.
Choice D rationale:
Conducting a gestational age assessment is important for determining the newborn’s maturity and potential health risks, but it is not the immediate priority right after birth.
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