What is the most likely cause for early decelerations in the fetal heart rate (FHR) pattern?
Spontaneous rupture of membranes.
Fetal head compression.
Umbilical cord compression.
Utero-placental insufficiency.
The Correct Answer is B
Choice A rationale
Spontaneous rupture of membranes (SROM) can sometimes be associated with variable decelerations due to potential cord compression if the presenting part is not well applied, but it is not the most likely cause of early decelerations. Early decelerations reflect a physiological response to fetal head compression.
Choice B rationale
Fetal head compression during a contraction leads to vagal nerve stimulation, causing a transient decrease in the fetal heart rate. This deceleration is typically gradual in onset and recovery, mirroring the contraction pattern, and is considered a benign finding.
Choice C rationale
Umbilical cord compression typically results in variable decelerations, which are abrupt decreases in FHR that are not necessarily associated with uterine contractions. The shape and timing of variable decelerations differ significantly from the gradual, consistent pattern of early decelerations.
Choice D rationale
Utero-placental insufficiency usually manifests as late decelerations, which are gradual decreases in FHR that begin after the peak of the contraction and recover after the contraction ends. This pattern indicates fetal hypoxia and is a concerning finding, distinct from early decelerations.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
In the immediate postpartum period, it is normal to observe lochia rubra, which is a dark red discharge, and the passage of small blood clots. A firm, midline fundus at the umbilicus indicates that the uterus is contracting effectively to control bleeding. Given these expected findings within the first hour postpartum, continued monitoring is the appropriate initial action.
Choice B rationale
Notifying the provider is usually indicated when there are deviations from the expected postpartum findings, such as excessive bleeding, a boggy uterus, or signs of infection. The current assessment does not indicate such complications.
Choice C rationale
Encouraging the client to empty her bladder is important in the postpartum period as a full bladder can interfere with uterine contraction and lead to increased bleeding. However, with a firm, midline fundus and expected lochia, this is not the priority action over continued monitoring.
Choice D rationale
Increasing the frequency of fundal massage is indicated when the uterus is boggy or not contracting effectively, leading to increased bleeding. The client's fundus is already firm, so increasing massage is not the immediate priority.
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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