Inpatient obstetric nursing certification exam content: electronic fetal monitoring strip interpretation, high-risk intrapartum management, and postpartum hemorrhage protocols, beyond entry-level NCLEX maternal-newborn decks.
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- What is the normal baseline fetal heart rate range?
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110 to 160 bpm.- Over what minimum time segment is a baseline FHR determined?
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A minimum of 10 minutes.- Fetal tachycardia is a baseline FHR above what value, sustained for at least 10 minutes?
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160 bpm.- Fetal bradycardia is a baseline FHR below what value, sustained for at least 10 minutes?
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110 bpm.- Moderate FHR variability is defined as an amplitude range of ____ beats per minute.
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6 to 25- What does moderate FHR variability reliably indicate about fetal status?
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Absence of fetal metabolic acidemia at that time.- What causes early decelerations?
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Fetal head compression during contractions.- What is the underlying cause of late decelerations?
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Uteroplacental insufficiency.- What most commonly causes variable decelerations?
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Umbilical cord compression.- When does the nadir of a late deceleration occur relative to the contraction peak?
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After the peak of the contraction.- What onset speed defines a variable deceleration's shape?
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An abrupt drop, onset to nadir in less than 30 seconds.- What defines a Category I FHR tracing?
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Baseline 110 to 160, moderate variability, no late or variable decelerations, with or without early decelerations or accelerations.- What defines a Category III FHR tracing?
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Absent variability with recurrent late or variable decelerations or bradycardia, or a sinusoidal pattern.- How is a Category II FHR tracing best described?
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Indeterminate; any tracing that is not Category I or Category III.- What FHR pattern shows a smooth, sine-wave-like undulating baseline?
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A sinusoidal pattern.
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