A nurse is reviewing the results of a nonstress test (NST) for a client who is at 32 weeks of gestation and has diabetes mellitus.

The nurse notes that the fetal heart rate (FHR) accelerates at least 10 beats/min for at least 10 seconds two or more times in a 30-minute period.

How should the nurse interpret this result?

Reactive

Nonreactive

Unsatisfactory

Equivocal

Answer and Explanation

The Correct Answer is A

Reactive. This means that the fetal heart rate (FHR) accelerates at least 10 beats/min for at least 10 seconds two or more times in a 30-minute period. This result shows that the baby is getting enough oxygen and is doing well.

Nonreactive.

This means that the FHR does not accelerate as expected during the test. This result does not necessarily mean that there is a problem, but it may indicate that the baby is not getting enough oxygen or is asleep.

If this happens, more tests may be needed.

Unsatisfactory. This means that the test results are unclear or incomplete due to technical problems or poor quality of the recording.

If this happens, the test may need to be repeated.

Equivocal. This means that the test results are uncertain or inconclusive due to factors such as preterm gestation, fetal sleep, maternal medications, or fetal anomalies.

If this happens, more tests may be needed.

Normal ranges for FHR are between 110 and 160 beats/min at rest and between 120 and 180 beats/min during movement.

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Correct Answer is C

Explanation

The nurse should instruct the client to brush her nipple with her palm for 2 minutes.

This will stimulate the release of oxytocin and cause uterine contractions.The fetal heart rate (FHR) will be monitored for any signs of fetal distress, such as decelerations.

Choice A is wrong because fasting is not required for a CST.Fasting may be necessary for other tests that involve anesthesia or sedation.

Choice B is wrong because drinking orange juice will not induce contractions.Orange juice may be given to increase fetal activity before a nonstress test (NST), which measures the FHR response to fetal movement.

Choice D is wrong because lying on the back can compress the inferior vena cava and reduce blood flow to the uterus and the fetus.The client should lie on her side during the test to prevent supine hypotension syndrome.

Normal ranges for FHR are 110 to 160 beats per minute, with moderate variability and no decelerations.Normal ranges for uterine contractions are less than five in a 10-minute period, lasting less than 90 seconds each.

A. Reactive B. Nonreactive C. Unsatisfactory D. Equivocal

Correct Answer is A

Explanation

Reactive.This means that the fetal heart rate (FHR) accelerates at least 10 beats/min for at least 10 seconds two or more times in a 30-minute period.This result shows that the baby is getting enough oxygen and is doing well.

Nonreactive.

This means that the FHR does not accelerate as expected during the test.This result does not necessarily mean that there is a problem, but it may indicate that the baby is not getting enough oxygen or is asleep.

If this happens, more tests may be needed.

Unsatisfactory.This means that the test results are unclear or incomplete due to technical problems or poor quality of the recording.

If this happens, the test may need to be repeated.

Equivocal.This means that the test results are uncertain or inconclusive due to factors such as preterm gestation, fetal sleep, maternal medications, or fetal anomalies.

If this happens, more tests may be needed.

Normal ranges for FHR are between 110 and 160 beats/min at rest and between 120 and 180 beats/min during movement.

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Naxlex Comprehensive Predictor Exams

A nurse is conducting a nipple-stimulated contraction stress test (CST) for a client who had a nonreactive nonstress test (NST). Which of the following instructions should the nurse give to the client for this test?

Correct Answer is C

Explanation

Correct Answer is A

Explanation

A nurse is caring for a client who is at 34 weeks of gestation and has systemic lupus erythematosus (SLE). The provider orders a nonstress test (NST) twice a week for this client. Which of the following statements by the nurse is appropriate when educating the client about this test?

A nurse is preparing to perform a nonstress test (NST) for a client who is at 36 weeks of gestation and reports decreased fetal movement. Which of the following actions should the nurse take first?