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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Supine positioning can compress the vena cava, leading to decreased venous return, reduced cardiac output, and potential maternal hypotension, which can compromise fetal oxygenation. Alternative positions like lateral or semi-recumbent are generally preferred during labor to optimize blood flow.
Choice B rationale
Assessing anesthesia or pain level every 30 minutes is crucial in the active phase of labor to evaluate the effectiveness of pain management interventions and the client's comfort. This frequent monitoring allows for timely adjustments to the pain management plan based on the client's subjective experience and physiological responses.
Choice C rationale
While assessing vaginal bleeding and the fundus is important in the postpartum period to monitor for uterine involution and hemorrhage, it is not the priority during the active phase of labor. The focus during active labor is on maternal and fetal well-being during the labor process itself.
Choice D rationale
Continuous or intermittent oxygen saturation monitoring may be indicated based on the client's condition and fetal heart rate patterns, but it is not a routine assessment every half hour for all clients in active labor. It is typically reserved for situations of suspected maternal hypoxemia or fetal distress.
Correct Answer is A
Explanation
Choice A rationale
A firm fundus displaced to the right and above the umbilicus often indicates a full bladder. The bladder, when distended, can push the uterus out of its midline position and interfere with its ability to contract effectively, potentially leading to increased bleeding. Having the client void will relieve the pressure on the uterus, allowing it to return to its midline position and remain firm.
Choice B rationale
Starting a pad count is a useful way to quantify the amount of lochia, but it does not address the immediate issue of the displaced fundus and potential bladder distention. It would be a subsequent step to monitor the bleeding after addressing the fundal position.
Choice C rationale
While fundal massage is appropriate for a soft or boggy uterus, the assessment indicates the fundus is already firm. Massaging a firm uterus is not the priority and will not address the displacement caused by a likely full bladder.
Choice D rationale
Notifying the healthcare provider is necessary if the fundus remains displaced and elevated after the client voids, as this could indicate other complications. However, the initial action should be to address the most likely cause, which is bladder distention.
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