NCC C-EFM Practice Exam 2025 – Complete Prep Resource

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What defines accelerations in fetal heart rate?

An increase of 10 bpm lasting at least 10 seconds

An increase of 15 bpm lasting at least 15 seconds

The definition of accelerations in fetal heart rate is characterized by an increase of at least 15 beats per minute (bpm) lasting for a minimum of 15 seconds. This criterion is important for assessing fetal well-being during monitoring. Accelerations are typically associated with fetal movement and are considered a reassuring sign, indicating that the fetus is receiving adequate oxygen and is in good health.

In contrast, the other options do not align with the standard definition. For instance, an increase of 10 bpm lasting at least 10 seconds falls short of the established criteria. A decrease of 20 bpm lasting at least 30 seconds reflects a deceleration rather than an acceleration, indicating potential distress. Lastly, a total lack of fetal heart rate variability suggests a concerning situation rather than any form of acceleration in heart rate. Understanding these distinctions is crucial for effective fetal monitoring and interpretation.

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A decrease of 20 bpm lasting at least 30 seconds

A total lack of fetal heart rate variability

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