A nurse is explaining the purpose of a Contraction Stress Test (CST) to a pregnant client.

What does the CST aim to assess?

Fetal well-being.

Maternal blood pressure.

Placental function.

Amniotic fluid volume.

Answer and Explanation

The Correct Answer is A

A contraction stress test (CST) is performed near the end of pregnancy to determine how well the fetus will cope with the contractions of childbirth.

The aim is to induce contractions and monitor the fetus to check for heart rate abnormalities using a cardiotocograph.

A normal heartbeat is a good sign that the fetus will be healthy during labor.

Choice B is wrong because a CST does not measure maternal blood pressure.

Choice C is wrong because a CST does not assess placental function directly.

Choice D is wrong because a CST does not measure amniotic fluid volume.

Normal ranges for fetal heart rate are between 110 and 160 beats per minute.

Normal ranges for uterine contractions are between 2 and 5 contractions in 10 minutes, lasting less than 90 seconds each.

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Correct Answer is A

Explanation

This result suggests that the baby has a low risk of having a genetic disorder or a neural tube defect.

Choice B is wrong because a high level of AFP indicating a neural tube defect would be greater than 2 MoM.

Choice C is wrong because a low level of AFP indicating a potential chromosomal abnormality would be less than 0.5 MoM.

Choice D is wrong because an inconclusive result, requiring further evaluation, would depend on other factors such as ultrasound findings and maternal age.

MoM stands for multiples of the median, which is a way of comparing the AFP level of a pregnant person to the average level for their gestational age.

Values between 0.5 and 2.49 MoM are considered normal.

A. To measure the fetal heart rate (FHR) in response to fetal movements. B. To monitor the uterine contractions. C. To indicate adequate fetal oxygenation and normal fetal neurological function. D. To assess fetal well-being and identify fetal hypoxia or distress.

Correct Answer is A

Explanation

To measure the fetal heart rate (FHR) in response to fetal movements.

This is because the FHR should increase by at least 15 beats per minute for at least 15 seconds when the fetus moves, which indicates a healthy and reactive fetus.

This is called an acceleration.

Choice B is wrong because the uterine contractions are not related to the fetal movements or the button pressing.

The uterine contractions are measured by a tocodynamometer or an intrauterine pressure catheter.

Choice C is wrong because the fetal oxygenation and neurological function are not directly measured by the button pressing.

The fetal oxygenation can be assessed by the FHR variability and decelerations, while the neurological function can be evaluated by other tests such as biophysical profile or fetal acoustic stimulation.

Choice D is wrong because the fetal well-being and hypoxia or distress are not indicated by the button pressing alone.

The fetal well-being and hypoxia or distress are determined by the FHR patterns, such as baseline, variability, accelerations and decelerations.

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A nurse is explaining the purpose of a Contraction Stress Test (CST) to a pregnant client. What does the CST aim to assess?

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Naxlex Comprehensive Predictor Exams

A client's Alpha-fetoprotein Test (AFP) result is reported as 0.8 MoM. What does this result suggest?

Correct Answer is A

Explanation

During a Non-Stress Test (NST), the client needs to press a button whenever they feel the fetus move. What is the purpose of this action?

Correct Answer is A

Explanation

A nurse is caring for a client who is scheduled for an amniocentesis at 16 weeks gestation. Which of the following should the nurse report to the provider?

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?

A nurse is preparing a client for a Contraction Stress Test (CST). Which method can be used to induce uterine contractions during the test?

A nurse is educating a pregnant client about the Non-Stress Test (NST). Which statement by the client indicates understanding of the test?

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 providing education to a client who is scheduled to undergo chorionic villus sampling (CVS). Which statement by the client indicates an understanding of this test?

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 educating a pregnant client about the Alpha-fetoprotein Test (AFP). What should the nurse include as a reason why AFP results are reported as multiples of the median (MoM)?

A nurse is explaining the purpose of a Contraction Stress Test (CST) to a pregnant client.

What does the CST aim to assess?