A nurse is reviewing the results of a Contraction Stress Test (CST) with a pregnant client.

What does an equivocal CST indicate?

Late decelerations of the FHR with less than 50% of contractions.

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

No late decelerations of the FHR during contractions.

Variable decelerations of the FHR with or without contractions.

Answer and Explanation

The Correct Answer is A

An equivocal CST indicates late decelerations of the FHR with less than 50% of contractions.

This means that the fetus may have some degree of hypoxia or distress, but not enough to warrant immediate delivery.

An equivocal CST may also result from hyperstimulation of the uterus, which can cause excessive contractions and reduce blood flow to the placenta.

Choice B is wrong because late decelerations of the FHR with at least 50% of contractions is a positive CST, which indicates a high risk of fetal death due to hypoxia and is a contraindication to labor.

Choice C is wrong because no late decelerations of the FHR during contractions is a negative CST, which indicates a good fetal wellbeing and tolerance of labor.

Choice D is wrong because variable decelerations of the FHR with or without contractions are not related to uterine activity and may indicate cord compression or other fetal problems.

Variable decelerations are not used to interpret CST results.

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Correct Answer is B

Explanation

"It is a screening test for spinal defects in the fetus."

The MSAFP test is a blood test that measures the amount of alpha-fetoprotein (AFP) in the mother’s blood.

AFP is a protein produced by the baby during pregnancy.The test helps to assess the baby’s risk of certain birth defects, such as neural tube defects, which are abnormalities in the development of the brain and spine.

A. “It is a diagnostic test for spinal defects in the fetus.” This statement is wrong because the MSAFP test is not a diagnostic test.

It only indicates the probability of having a spinal defect, but it does not confirm or rule out the condition.A diagnostic test, such as an ultrasound or amniocentesis, is needed to make a definitive diagnosis.

C. “It is a diagnostic test for chromosomal abnormalities in the fetus.” This statement is wrong because the MSAFP test is not a diagnostic test for chromosomal abnormalities either.

It only indicates the probability of having a chromosomal abnormality, such as Down syndrome, but it does not confirm or rule out the condition.A diagnostic test, such as a chorionic villus sampling (CVS) or amniocentesis, is needed to make a definitive diagnosis.

D. “It is a screening test for chromosomal abnormalities in the fetus.” This statement is partially correct, but not the best answer.

The MSAFP test alone is not very accurate for screening chromosomal abnormalities.It is usually combined with other blood tests and an ultrasound to form a more reliable screening test called a quad screen or an integrated screen.

The normal range of MSAFP levels varies depending on the gestational age of the baby and the laboratory methods used.Generally, the MSAFP levels increase until about 15 weeks of pregnancy and then decrease until delivery.The average MSAFP level at 15 weeks of pregnancy is about 38 ng/mL.However, different laboratories may have different reference ranges, so it is important to consult your healthcare provider for your specific results and interpretation.

A. AFP results are diagnostic for fetal anomalies. B. AFP results require further evaluation for confirmation. C. AFP results can only detect neural tube defects. D. AFP results are affected by maternal race and ethnicity.

Correct Answer is B

Explanation

AFP is a screening tool that can indicate the possibility of certain fetal anomalies, such as neural tube defects, abdominal wall defects, or chromosomal abnormalities.

However, AFP results are not diagnostic and cannot confirm the presence or absence of these conditions.

Therefore, further tests, such as ultrasound or amniocentesis, are needed to verify the results.

Choice A is wrong because AFP results are not diagnostic for fetal anomalies.

They only indicate a risk level that needs to be confirmed by other tests.

Choice C is wrong because AFP results can detect not only neural tube defects, but also other fetal anomalies, such as abdominal wall defects or chromosomal abnormalities.

Choice D is wrong because AFP results are not affected by maternal race and ethnicity.

They are affected by maternal age, weight, diabetes, multiple gestation, and gestational age.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is scheduled for a maternal serum alpha-fetoprotein test at 15 weeks of gestation. The nurse provides which of the following explanations about this test to the client?

Correct Answer is B

Explanation

A client asks the nurse about the significance of Alpha-fetoprotein Test (AFP) results. How should the nurse respond?

Correct Answer is B

Explanation

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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 client who is scheduled for a maternal serum alpha-fetoprotein test at 15 weeks of gestation. The nurse provides which of the following explanations about this test to the client?

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A nurse is interpreting the results of a biophysical profile (BPP) for a client who is at 34 weeks of gestation. The nurse should understand that each of the five variables is assigned a score of how many points?

A nurse is reviewing the results of a Contraction Stress Test (CST) with a pregnant client.

What does an equivocal CST indicate?