A nurse is caring for a client scheduled for a CST.

Which statement indicates the client understands the test procedure?

"I will have sensors placed on my abdomen to monitor the FHR and uterine contractions.".

"I will need to fast for 24 hours before the test.".

"I will be sedated during the test to prevent discomfort.".

"I will need to drink plenty of fluids before the test.".

Answer and Explanation

The Correct Answer is A

“I will have sensors placed on my abdomen to monitor the FHR and uterine contractions.” This statement indicates the client understands the test procedure of a CST, which is a test that triggers contractions and registers how the baby’s heart reacts.

The test is done by placing two sensor belts around the abdomen, one to measure the baby’s heartbeat and the other to measure contractions.

The client may receive oxytocin through an IV to induce contractions.

Choice B is wrong because the client does not need to fast for 24 hours before the test.

There is no evidence that fasting is required for a CST.

Choice C is wrong because the client will not be sedated during the test.

Sedation is not necessary for a CST and may interfere with the results.

Choice D is wrong because the client does not need to drink plenty of fluids before the test.

There is no evidence that drinking fluids is required for a CST.

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Correct Answer is B

Explanation

Choice A is wrong because it describes a transabdominal CVS procedure, which involves a needle instead of a catheter.

Choice C is wrong because it describes a procedure that is not used for CVS.A needle inserted through the cervix could damage the fetal membranes or cause bleeding.

Choice D is wrong because it describes a procedure that is not possible.A catheter cannot be inserted through the abdomen and uterus into the placenta.

Normal ranges for CVS are not applicable as it is a diagnostic test, not a screening test.

It provides a definitive result of whether the fetus has a chromosomal abnormality or a genetic disorder.CVS is usually done between 10 and 13+6 weeks of pregnancy.

A. "NST is performed after 28 weeks of gestation or earlier if there are risk factors.". B. "A nonreactive NST means that the fetal heart rate increases by at least 15 beats per minute for at least 15 seconds twice or more in a 20-minute period.". C. . "NST requires placing two belts with sensors on my abdomen: one to monitor the fetal heart rate and one to monitor the uterine contractions.". D. "A reactive NST may indicate fetal hypoxia, distress, sleep, medication effect, or neurological abnormality.".

Correct Answer is A

Explanation

"NST is performed after 28 weeks of gestation or earlier if there are risk factors."12 This statement indicates that the client understands when and why an NST is done.

Choice B is wrong because it describes a reactive NST, not a nonreactive one.

A reactive NST means that the fetal heart rate increases by at least 15 beats per minute for at least 15 seconds twice or more in a 20-minute period.2

Choice C is wrong because it confuses NST with contraction stress test (CST), which requires monitoring uterine contractions.

NST does not involve contractions.2

Choice D is wrong because it describes possible causes of a nonreactive NST, not a reactive one.

A nonreactive NST may indicate fetal hypoxia, distress, sleep, medication effect, or neurological abnormality.2

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A nurse is caring for a client scheduled for a CST. Which statement indicates the client understands the test procedure?

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Naxlex Comprehensive Predictor Exams

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A nurse is caring for a client scheduled for a CST.

Which statement indicates the client understands the test procedure?