A nurse is educating a pregnant client about the Contraction Stress Test (CST).

Which statement accurately describes a negative CST?

No contractions were induced during the test.

Late decelerations of the FHR were observed with at least 50% of contractions.

The FHR remained stable throughout the test.

The client experienced mild uterine cramping during the tes.

Answer and Explanation

The Correct Answer is C

This means that the baby’s heart rate did not slow down after the contractions induced by oxytocin, which is a sign of normal fetal well-being.

A negative CST is normal and desirable.

Choice A is wrong because no contractions were induced during the test.

This means that the test was inconclusive and could not assess the baby’s response to stress.

Choice B is wrong because late decelerations of the FHR were observed with at least 50% of contractions.

This means that the baby’s heart rate slowed down and stayed slow after the contractions, which is a sign of fetal distress and hypoxia.

A positive CST is abnormal and concerning.

Choice D is wrong because the client experienced mild uterine cramping during the test.

This is not a relevant factor for interpreting the CST results, which depend on the FHR patterns.

Uterine cramping can be a side effect of oxytocin administration or nipple stimulation.

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Correct Answer is A

Explanation

A Doppler ultrasound blood flow analysis measures the velocity of blood flow in the uterine and fetal vessels.

This test can help assess the fetal well-being and oxygenation in cases of intrauterine growth restriction (IUGR).

Choice B is wrong because the amount of amniotic fluid in the uterine cavity is measured by ultrasound, not Doppler.

Choice C is wrong because the pressure of blood flow in the umbilical cord is not directly measured by Doppler, but rather inferred from the resistance index or pulsatility index.

Choice D is wrong because the oxygen saturation level of fetal blood is not measured by Doppler, but rather by fetal scalp sampling or pulse oximetry.

A. "Ultrasound may cause harm to the fetus.". B. "There are no known risks or complications for the pregnant person or the fetus.". C. "Pregnant individuals should avoid ultrasound due to potential radiation exposure.". D. "Ultrasound can lead to miscarriage or preterm labor.".

Correct Answer is B

Explanation

There are no known risks or complications for the pregnant person or the fetus.

Prenatal ultrasound is a safe and noninvasive procedure that uses sound waves to create images of the fetus and the placenta.

It does not use radiation or harm the fetal tissues.

Choice A is wrong because ultrasound does not cause harm to the fetus.

There is no evidence that ultrasound has any adverse effects on fetal development, growth, or health.

Choice C is wrong because pregnant individuals do not need to avoid ultrasound due to potential radiation exposure.

Ultrasound does not involve radiation, unlike x-rays or CT scans.

Choice D is wrong because ultrasound does not lead to miscarriage or preterm labor.

Ultrasound is not associated with any increased risk of pregnancy complications, such as miscarriage, preterm labor, or birth defects.

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A nurse is educating a pregnant client about the Contraction Stress Test (CST). Which statement accurately describes a negative CST?

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Naxlex Comprehensive Predictor Exams

A nurse is explaining the purpose of a Doppler ultrasound blood flow analysis to a client who has intrauterine growth restriction (IUGR). The nurse should inform the client that this test measures which of the following?

Correct Answer is A

Explanation

A client asks the nurse about the risks and complications associated with prenatal ultrasound. Which of the following responses by the nurse is accurate?

Correct Answer is B

Explanation

A nurse is performing an abdominal ultrasound for a client who is at 28 weeks of gestation. The nurse should instruct the client to do which of the following before the procedure?

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A nurse is reviewing the results of an Alpha-fetoprotein Test (AFP) with a pregnant client. What does a low level of AFP (<0.5 MoM) potentially indicate?

A nurse is reviewing the contraindications for a Contraction Stress Test (CST) with a pregnant client. Which condition would be a contraindication for the test?

A nurse is reviewing the results of a Contraction Stress Test (CST) with a pregnant client. What does an equivocal CST indicate?

A nurse is caring for a client who had an amniocentesis at 16 weeks gestation and reports cramping and vaginal bleeding 24 hours later. Which of the following actions should the nurse take first?

A nurse is caring for a patient who had an amniocentesis performed at 16 weeks gestation and reports cramping and vaginal bleeding 24 hours later. Which action should be taken first?

A nurse is caring for a client who had chorionic villus sampling (CVS) performed at 12 weeks’ gestation and asks when she can expect results from this test. The nurse should inform her that results are typically available within which timeframe?

A nurse is educating a pregnant client about the Contraction Stress Test (CST).

Which statement accurately describes a negative CST?