A nurse is caring for a client who is undergoing an oxytocin-stimulated contraction stress test (CST).

The nurse observes three contractions in 10 minutes with no late decelerations of the fetal heart rate (FHR).

Which of the following actions should the nurse take?

Discontinue oxytocin infusion and monitor the client for another 10 minutes

Increase oxytocin infusion and monitor the client until four contractions occur in 10 minutes

Stop oxytocin infusion and notify the provider of a positive CST result

Maintain oxytocin infusion and monitor the client until a negative CST result is confirmed

Answer and Explanation

The Correct Answer is D

Maintain oxytocin infusion and monitor the client until a negative CST result is confirmed.

A negative CST result means that there are no late decelerations of the FHR after three contractions in 10 minutes. This indicates that the fetus can tolerate the stress of labor and has adequate oxygenation.

Choice A is wrong because discontinuing oxytocin infusion and monitoring the client for another 10 minutes will not provide enough information about the fetal response to contractions. The test requires at least three contractions in 10 minutes to be valid.

Choice B is wrong because increasing oxytocin infusion and monitoring the client until four contractions occur in 10 minutes may cause uterine hyperstimulation, which can compromise fetal oxygenation and lead to fetal distress.

Choice C is wrong because stopping oxytocin infusion and notifying the provider of a positive CST result is not appropriate. A positive CST result means that there are late decelerations of the FHR after more than half of the contractions, indicating fetal hypoxia and placental insufficiency.

In this case, there are no late decelerations, so the test result is not positive.

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Correct Answer is ["E"]

Explanation

The test result is nonreactive after 40 minutes.Vibroacoustic stimulation (VAS) is the application of a vibratory sound stimulus to the abdomen of a pregnant woman to induce fetal heart rate (FHR) accelerations.VAS is typically used during a nonstress test (NST) to elicit fetal movement and reactivity when the baseline FHR variability is minimal or the test result is nonreactive after 40 minutes.VAS can shorten the testing time and reduce the incidence of non-reactive cardiotocography.

Choice A is wrong because the fetus’s presentation does not affect the use of VAS.

Choice B is wrong because VAS is not indicated for a fetus that has not moved for 40 minutes, unless the NST result is also nonreactive.

Choice C is wrong because minimal baseline FHR variability is not a sufficient indication for VAS, unless the NST result is also nonreactive.

Choice D is wrong because a history of stillbirth does not affect the use of VAS.

A. Place the device over the fetal back for 3 seconds B. Hold the device firmly against the maternal abdomen for 10 seconds C. Move the device around the maternal abdomen until fetal movement is detected D. Apply the device intermittently over the fundus for 15 seconds

Correct Answer is A

Explanation

Place the device over the fetal back for 3 seconds.This is because vibroacoustic stimulation (VAS) is the application of a vibratory sound stimulus to the abdomen of a pregnant woman to induce fetal heart rate (FHR) accelerations.The presence of FHR accelerations reliably predicts the absence of fetal metabolic acidemia.VAS is typically used during a nonstress test (NST) to assess fetal well-being.The device should be placed over the fetal back for 3 seconds, as this is the optimal duration and location to elicit a fetal response.

Choice B is wrong because holding the device firmly against the maternal abdomen for 10 seconds may be too long and too strong for the fetus, and may cause discomfort or distress.

Choice C is wrong because moving the device around the maternal abdomen until fetal movement is detected may not be effective or efficient, as the device may not reach the optimal location or duration to stimulate the fetus.

Choice D is wrong because applying the device intermittently over the fundus for 15 seconds may not target the fetal auditory system, which is located near the fetal back, and may also be too long and too strong for the fetus.

Normal ranges for FHR are between 110 and 160 beats per minute, and FHR accelerations are defined as an increase of at least 15 beats per minute above baseline for at least 15 seconds.

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A nurse is caring for a client who is undergoing an oxytocin-stimulated contraction stress test (CST). The nurse observes three contractions in 10 minutes with no late decelerations of the fetal heart rate (FHR). Which of the following actions should the nurse take?

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Naxlex Comprehensive Predictor Exams

(Select all that apply) A nurse is performing a nonstress test (NST) for a client who is at 32 weeks of gestation and has gestational diabetes mellitus. The nurse uses vibroacoustic stimulation to elicit fetal movement and acceleration of FHR. What are the indications for using this method?

Correct Answer is ["E"]

Explanation

A nurse is using vibroacoustic stimulation (VAS) to stimulate fetal movement during a nonstress test (NST). What action should the nurse take when applying VAS?

Correct Answer is A

Explanation

A nurse is reviewing the findings of a biophysical profile (BPP) for a client who is at 40 weeks of gestation. The BPP score is 6 out of 10 points. Which of the following components are included in this score? (Select all that apply.)

A nurse is caring for a client who is undergoing an oxytocin-stimulated contraction stress test (CST). The nurse observes three contractions in 10 minutes with no late decelerations of the fetal heart rate (FHR). Which of the following actions should the nurse take?

A nurse is interpreting the results of a contraction stress test (CST) for a client who is at 38 weeks of gestation. The nurse notes that there are no late or significant variable decelerations of the fetal heart rate (FHR). How should the nurse document this finding?

A nurse is comparing nonstress test (NST) and contraction stress test (CST) for assessing fetal well-being. What is an advantage of NST over CST?

A nurse is caring for a client who is pregnant and undergoing a contraction stress test (CST). The nurse observes three uterine contractions in 10 minutes, with no late or significant variable decelerations of the fetal heart rate (FHR). How should the nurse interpret this finding?

A nurse is providing discharge instructions to a client who had a nonreactive nonstress test (NST) followed by a biophysical profile (BPP) with a score of 8/10. Which of the following statements by the client indicates an understanding of the teaching?

A nurse is caring for a client who is undergoing an oxytocin-stimulated contraction stress test (CST).

The nurse observes three contractions in 10 minutes with no late decelerations of the fetal heart rate (FHR).

Which of the following actions should the nurse take?