In which clinical situation would the nurse most likely anticipate a fetal bradycardia?
Drug consumed by the mother like cocaine.
Prolonged umbilical cord compression.
Fetal anemia.
Tocolytic treatment using terbutaline.
The Correct Answer is B
Choice A rationale
Cocaine is a stimulant that typically causes fetal tachycardia (an elevated fetal heart rate) due to its sympathomimetic effects, increasing maternal and subsequently fetal heart rate and blood pressure. It does not usually lead to fetal bradycardia.
Choice B rationale
Prolonged umbilical cord compression can lead to fetal bradycardia because it restricts oxygenated blood flow to the fetus. The baroreceptors in the fetus respond to decreased oxygen by slowing the heart rate in an attempt to conserve oxygen and maintain perfusion to vital organs.
Choice C rationale
Fetal anemia, a decrease in red blood cell count, can lead to fetal tachycardia as the heart attempts to compensate for reduced oxygen-carrying capacity by increasing cardiac output. Bradycardia is not a typical initial response to fetal anemia.
Choice D rationale
Terbutaline is a tocolytic medication used to relax the smooth muscle of the uterus and prevent preterm labor. Its side effects often include maternal and fetal tachycardia due to its beta-adrenergic agonist activity.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Puerperal infection, an infection of the reproductive tract after childbirth, is a risk factor for all postpartum women. However, a large newborn size (macrosomia) increases the risk of prolonged labor, increased instrumentation during delivery, and postpartum hemorrhage, which indirectly increases the risk of infection but is not the most direct immediate risk related to the newborn's weight.
Choice B rationale
Retained placental fragments are a risk factor when the placenta does not deliver intact. While a large newborn can sometimes be associated with difficulties during placental delivery, it is not the primary direct risk factor immediately following birth. Uterine atony is a more immediate and direct risk related to uterine overdistension.
Choice C rationale
Thrombophlebitis, the formation of blood clots in the veins, is a postpartum risk factor related to hormonal changes, immobility, and hypercoagulability. While factors like prolonged labor (more common with large babies) can contribute, it is not the most immediate and direct risk in the first few hours postpartum for a woman who delivered a large newborn.
Choice D rationale
A newborn weighing 9 lb 6 oz (4252 g) is considered macrosomic. This large size can lead to overdistension of the uterus during pregnancy and labor. Uterine overdistension impairs the ability of the uterine muscles to contract effectively after delivery, a condition known as uterine atony. Uterine atony is the primary and most immediate risk for postpartum hemorrhage in women who have delivered large newborns. .
Correct Answer is {"dropdown-group-1":"B","dropdown-group-2":"D"}
Explanation
The nurse should first address the client’s calf findings followed by their stress about discharge.
Rationale for correct answers
Calf findings must be addressed first due to the risk of deep vein thrombosis (DVT), which is a known complication of cesarean delivery and postpartum immobility. The presence of unilateral calf edema (3 cm greater than the right) and tenderness, combined with an elevated D-dimer, strongly suggests a thrombotic process requiring urgent evaluation. If DVT is confirmed, anticoagulation therapy should be initiated promptly to prevent progression to pulmonary embolism.
Stress about discharge should be the second priority, as emotional concerns can affect adherence to postpartum care instructions. Addressing anxiety about recovery, follow-up visits, and newborn care can improve the client’s overall well-being and readiness for discharge.
Rationale for incorrect Response 1 options
- Breast engorgement: Although uncomfortable, this is a transient issue that can be managed with cold compresses and supportive bras. It does not pose an immediate health risk.
- Constipation: Postpartum bowel irregularities are expected after cesarean delivery; stool softeners and hydration can alleviate symptoms without urgency.
- Surgical incision pain: Rated only 2/10, indicating mild pain that does not require immediate intervention beyond routine analgesia.
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