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A nurse is educating a client about a contraction stress test.

Which of the following is correct regarding the contraction stress test?

A.

We are looking for a negative result.

B.

We are looking for three contractions in a 10-minute period with moderate variability and no decelerations.

C.

A negative result indicates fetal well-being.

D.

A positive result indicates fetal growth restriction, lower Apgar scores, and need for cesarean delivery.

Answer and Explanation

The Correct Answer is C

Choice A rationale

 

While a negative result in a Contraction Stress Test (CST) is desirable, this choice does not fully explain the significance of the result. A negative CST indicates that there are no late decelerations in the fetal heart rate in response to uterine contractions, suggesting that the fetus can handle the stress of labor.

 

Choice B rationale

 

This choice describes the criteria for a reactive Nonstress Test (NST), not a Contraction Stress Test (CST). In a CST, the focus is on the fetal heart rate response to contractions, not the number of contractions or variability.

 

Choice C rationale

 

A negative result in a CST indicates fetal well-being, meaning that the fetus can tolerate the stress of uterine contractions without showing signs of distress, such as late decelerations in the heart rate. This result suggests that the fetus is likely to handle labor well.

 

Choice D rationale

 

A positive result in a CST indicates that the fetus has late decelerations in response to contractions, which can be a sign of fetal distress. This result may suggest fetal growth restriction, lower Apgar scores, and the potential need for cesarean delivery. However, this choice does not fully capture the significance of a positive CST result.


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View Related questions

Correct Answer is C

Explanation

Choice A rationale

A pulse of 88 bpm is within the normal range for an adult and does not indicate any immediate concern that needs to be reported to the anesthesia provider.

Choice B rationale

A pain level of 1 on a 0 to 10 scale indicates that the epidural is effectively managing the client’s pain. This is a positive outcome and does not require reporting.

Choice C rationale

Blood pressure of 88/52 mmHg indicates hypotension, which is a common and potentially serious side effect of epidural anesthesia. Hypotension can lead to decreased placental perfusion and fetal distress, so it requires immediate attention and reporting to the anesthesia provider.

Choice D rationale

Dizziness can be a side effect of epidural anesthesia, but it is not as critical as hypotension. It should be monitored, but it does not require immediate reporting unless it is severe or accompanied by other symptoms.

Correct Answer is B

Explanation

Choice A rationale

Encouraging the client to walk around for 30 minutes and then resume monitoring is not the most appropriate action in this scenario. Walking may help stimulate fetal movement, but it is not the first-line intervention when there are no accelerations or fetal movement during a nonstress test. The nurse should try other methods to stimulate fetal movement before resorting to walking.

Choice B rationale

Performing vibroacoustic stimulation is the correct action. Vibroacoustic stimulation involves using a device to produce a sound and vibration near the maternal abdomen to stimulate fetal movement and heart rate accelerations. This method is non-invasive and can help determine fetal well-being by eliciting a response from the fetus.

Choice C rationale

Immediately reporting the situation to the provider and preparing the client for induction of labor is premature. The absence of accelerations or fetal movement during a nonstress test does not immediately indicate a need for induction of labor. Other less invasive interventions, such as vibroacoustic stimulation, should be attempted first.

Choice D rationale

Repositioning the client into a supine position is not recommended. The supine position can lead to supine hypotensive syndrome, which can decrease blood flow to the fetus. The nurse should avoid placing the client in a supine position and instead try other methods to stimulate fetal movement.

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