Which of the following is an advantage of external electronic fetal monitoring?
1. The ultrasound transducer can accurately measure short-term variability and beat-to-beat changes in the FHR.
2. The tocotransducer can measure and record the frequency, regularity, intensity, and approximate duration of UAs.
3. The tocotransducer is especially valuable for measuring UA during the first stage of labor.
4. Once correctly applied by the nurse, the transducer need not be repositioned even when the woman changes positions.
3
1. Incorrect. Unfortunately, these short-term changes cannot be measured with this tech-nology.
2. Incorrect. The tocotransducer cannot measure and record the intensity of UCs.
3. Correct. This is especially true when the membranes are intact.
4. Incorrect. The transducer must be repositioned when the woman or the fetus changes po-sition.
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