A nurse is providing care for a patient who is 28 weeks pregnant and has received betamethasone.
The nurse recognizes that the use of betamethasone affects which of the following?
Weakened uterine contractions
Maternal blood glucose of 63 mg/dL
Decreased fetal heart rate
Enhanced production of fetal lung surfactant
The Correct Answer is D
Choice A rationale
Betamethasone, a corticosteroid, is not known to weaken uterine contractions. It is often administered to pregnant women at risk of preterm delivery to enhance fetal lung maturation and reduce complications associated with prematurity.
Choice B rationale
Betamethasone can potentially increase blood glucose levels, not decrease them. This is particularly relevant in women with gestational diabetes, as corticosteroids can exacerbate hyperglycemia.
Choice C rationale
Betamethasone does not typically decrease the fetal heart rate. Instead, it is used to help mature the lungs of the fetus.
Choice D rationale
Betamethasone is administered to pregnant women at risk of preterm delivery to enhance the production of surfactant in the fetal lungs. Surfactant is a substance that prevents the small air sacs in the lungs from collapsing, thereby aiding in the baby’s ability to breathe after birth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Increasing the rate of maintenance IV infusion is not the first action the nurse should take when observing that the fetal heart rate begins to slow after the start of a contraction and the lowest rate occurs after the peak of the contraction. This pattern is known as late decelerations and is often associated with fetal hypoxemia due to insufficient placental perfusion.
Choice B rationale
The nurse should first place the client in the lateral position. This position can improve placental blood flow and may help to resolve the late decelerations.
Choice C rationale
Administering oxygen using a nasal cannula may be beneficial, but it is not the first action the nurse should take. The priority is to improve placental blood flow, which can be achieved by changing the client’s position.
Choice D rationale
Elevating the client’s legs is not the first action the nurse should take. This action would not directly address the issue of late decelerations.
Correct Answer is B
Explanation
Choice A rationale
Returning the platelet bag and tubing to the blood bank is not the immediate action to take when a client reports having lower back pain and feeling chilled and itchy during a PRBC transfusion. These symptoms could indicate a transfusion reaction, which is a serious complication that requires immediate intervention.
Choice B rationale
Stopping the infusion is the first action the nurse should take when a client reports symptoms of a transfusion reaction. This is because continuing the transfusion could worsen the reaction and potentially lead to more serious complications.
Choice C rationale
While notifying the provider is an important step in managing a transfusion reaction, it is not the first action the nurse should take. The nurse should first stop the infusion to prevent further exposure to the blood product.
Choice D rationale
Collecting a urine sample from the client is not the immediate action to take when a client reports having lower back pain and feeling chilled and itchy during a PRBC transfusion. These symptoms could indicate a transfusion reaction, which requires immediate intervention.
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