A nurse is performing a non-stress test (NST) for a client who is 34 weeks pregnant and has pre-eclampsia.
Which of the following fetal heart rate patterns indicates a reactive test?
Two or more accelerations of at least 15 beats/min above baseline lasting for at least 15 seconds in a 20-minute period
No accelerations or decelerations in a 20-minute period
One acceleration of at least 10 beats/min above baseline lasting for at least 10 seconds in a 20-minute period
Variable decelerations with normal variability in a 20-minute period
The Correct Answer is A
Two or more accelerations of at least 15 beats/min above baseline lasting for at least 15 seconds in a 20-minute period. This indicates a reactive test, which means that the fetus is well oxygenated and not in distress.
Choice B is wrong because no accelerations or decelerations in a 20-minute period indicate a non-reactive test, which may suggest fetal hypoxia or acidosis.
Choice C is wrong because one acceleration of at least 10 beats/min above baseline lasting for at least 10 seconds in a 20-minute period is the criterion for a reactive test for gestational age less than 32 weeks, not 34 weeks.
Choice D is wrong because variable decelerations with normal variability in a 20-minute period indicate cord compression or fetal head compression, not a reactive test.
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Related Questions
Correct Answer is A
Explanation
A. To prevent seizures.
Magnesium sulfate is a mineral that can reduce seizure risks in women with severe preeclampsia.It is often given intravenously and can also be used to prolong pregnancy for up to two days.Magnesium sulfate is also used to prevent and manage seizures in women with postpartum preeclampsia.
• Statement B is wrong because magnesium sulfate does not lower blood pressure.It may be given along with medications that help reduce blood pressure.
• Statement C is wrong because magnesium sulfate does not induce labor.It may be given to delay delivery for up to 48 hours to allow time for the administration of drugs that speed up the baby’s lung development.
• Statement D is wrong because magnesium sulfate does not reduce edema.Edema is a common symptom of preeclampsia, but it is not a direct cause of complications.
Correct Answer is A
Explanation
Two or more accelerations of at least 15 beats/min above baseline lasting for at least 15 seconds in a 20-minute period.This indicates a reactive test, which means that the fetus is well oxygenated and not in distress.
Choice B is wrong because no accelerations or decelerations in a 20-minute period indicate a non-reactive test, which may suggest fetal hypoxia or acidosis.
Choice C is wrong because one acceleration of at least 10 beats/min above baseline lasting for at least 10 seconds in a 20-minute period is the criterion for a reactive test for gestational age less than 32 weeks, not 34 weeks.
Choice D is wrong because variable decelerations with normal variability in a 20-minute period indicate cord compression or fetal head compression, not a reactive test.
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