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 D
Explanation
Choice A rationale
Assessing the patient's urine for protein and glucose is relevant for evaluating potential preeclampsia or gestational diabetes, but it does not directly address the immediate concern of decreased fetal movement. While these conditions can indirectly affect fetal well-being, the priority is to assess fetal status directly.
Choice B rationale
Preparing the patient for an abdominal ultrasound can provide information about fetal well-being and amniotic fluid volume, but it is not the immediate first-line intervention for a concerning decrease in fetal kick counts. Further assessment is needed before resorting to diagnostic procedures.
Choice C rationale
A kick count of 32 movements in 4 hours is below the generally accepted normal range. While definitions vary slightly, many healthcare providers consider fewer than 10 movements in 2 hours or a significant decrease from the patient's baseline to be concerning and warrant further investigation. Reassuring the patient without further assessment would be inappropriate.
Choice D rationale
A decrease in fetal movement can be a sign of fetal distress and requires prompt evaluation by a healthcare provider. Notifying the physician or midwife is the correct priority nursing intervention to initiate further assessment of fetal well-being, which may include a non-stress test (NST) or biophysical profile (BPP).
Correct Answer is D
Explanation
Choice A rationale
While addressing the client's feelings is important, dismissing the need for blood pressure monitoring is not appropriate nursing practice during pregnancy. Routine blood pressure checks are essential for detecting potential complications.
Choice B rationale
While blood pressure can increase in the second trimester due to physiological changes like increased blood volume, it doesn't invariably increase early in the second trimester, and this statement might cause unnecessary alarm if the client's blood pressure is currently normal.
Choice C rationale
Advanced maternal age (typically over 35) is a risk factor for gestational hypertension, but stating this directly without knowing the client's baseline blood pressure or other risk factors might be alarming and isn't the primary reason for routine monitoring at every prenatal visit.
Choice D rationale
Routine blood pressure monitoring is a standard component of prenatal care for all pregnant clients, regardless of their past medical history or perceived risk. This allows for the early detection of gestational hypertension or preeclampsia, which can develop even in women with previously normal blood pressure. Early detection and management are crucial for maternal and fetal well-being.
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