A nurse is preparing to perform a nonstress test (NST) for a pregnant client at 38 weeks of gestation.
What equipment should the nurse gather for this procedure? (Select all that apply.)
A reclining chair or bed
A belt with two transducers
A paper strip or a computer screen
A button for the client to press
An acoustic stimulator
Correct Answer : B,C
A nonstress test (NST) is a non-invasive test used to evaluate a baby’s well-being by monitoring fetal heartbeat and movements. The equipment needed for this procedure includes a belt with two transducers and a paper strip or a computer screen. The belt with two transducers is used to measure the fetal heart rate and uterine contractions, while the paper strip or computer screen displays the results.
Choice A is wrong because a reclining chair or bed is not necessary for an NST. The test can be done while the pregnant person is seated comfortably in a chair or resting in a reclined position on a table.
Choice D is wrong because a button for the client to press is not required for an NST. The test does not depend on the client’s perception of fetal movement, but rather on the objective measurement of fetal heart rate and uterine activity.
Choice E is wrong because an acoustic stimulator is not part of the standard equipment for an NST.
An acoustic stimulator is a device that produces a loud noise to stimulate the fetus and elicit a heart rate response. It may be used in some cases when the NST results are nonreactive, but it is not routinely used.
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Related Questions
Correct Answer is D
Explanation
The test will require me to lie on my back for the duration of the test.This statement indicates a need for further teaching because lying on the back can compress the inferior vena cava and reduce blood flow to the baby.The test can be done in a reclining chair or on an exam table with a wedge under one hip to avoid this problem.
Choice A is correct because the test will measure how the baby’s heart rate changes when he moves.In most healthy babies, the heart rate increases during movement.
Choice B is correct because the test will take at least 20 minutes, but it may take longer if the baby is not active or moving during that time period.
Choice C is correct because the test will involve placing two belts around the abdomen.One will measure the baby’s heartbeat and the other will record contractions.
Correct Answer is A
Explanation
The NST is reactive, indicating fetal well-being.A reactive NST means that the fetal heart rate increases by at least15 bpmfor at least15 secondstwice or more in a20-minuteperiod.This shows that the fetus is healthy and getting enough oxygen.
Choice B is wrong because a nonreactive NST means that the fetal heart rate does not show the expected accelerations in a 40-minute period, which may indicate fetal compromise.
Choice C is wrong because an inconclusive NST means that the test results are unclear or not enough data was collected, which may require further testing.
Choice D is wrong because an invalid NST means that the test was not performed correctly or there was interference with the fetal heart rate monitoring, which may require a repeat test.
Normal ranges for fetal heart rate are110 to 160 bpmwith moderate variability (5 to 25 bpm) and no decelerations.
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