A nurse is evaluating the results of a contraction stress test (CST) for a pregnant client who had a nonreactive or nonreassuring result on a nonstress test (NST).
The nurse notes that there are no late decelerations of the fetal heart rate (FHR) after three contractions in a 10-minute period.
How should the nurse interpret this finding?
Positive or abnormal
Negative or normal
Equivocal or suspicious
Unsatisfactory or incomplete
The Correct Answer is B
Negative or normal. This means that there are no late decelerations of the fetal heart rate (FHR) after three contractions in a 10-minute period, which indicates that the baby can tolerate the stress of labor contractions.
Choice A is wrong because positive or abnormal results mean that there are late decelerations of the FHR after three contractions in a 10-minute period, which suggests that the baby may be at risk of hypoxia or injury during labor.
Choice C is wrong because equivocal or suspicious results mean that there are either variable decelerations or late decelerations after fewer than half of the contractions, which require further testing or monitoring.
Choice D is wrong because unsatisfactory or incomplete results mean that there are either fewer than three contractions in a 10-minute period or poor quality of the FHR tracing, which prevent an accurate interpretation of the test.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Notify the provider and prepare for delivery.Oligohydramnios is a condition where the amniotic fluid volume is less than expected for gestational age and it is associated with maternal and fetal complications.
The nonstress test (NST) is a method of fetal surveillance that measures the fetal heart rate response to fetal movement.A reactive NST is defined as at least two accelerations of 15 beats per minute or more above the baseline, lasting 15 seconds or more, within a 20-minute period.
A nonreactive NST indicates fetal hypoxia or acidosis and requires further evaluation.An acoustic stimulator can be used to elicit fetal movement and accelerations, but it should not be repeated more than once in a 10-minute period.
Therefore, choice A is wrong because repeating the acoustic stimulation after 1 minute is too soon and may cause fetal distress.
Choice B is wrong because documenting the finding as a nonreactive NST is not enough to address the situation.Choice C is wrong because performing a contraction stress test (CST) is contraindicated in oligohydramnios because it may cause umbilical cord compression and fetal compromise.
The CST involves inducing uterine contractions with oxytocin or nipple stimulation and monitoring the fetal heart rate for signs of intolerance.
A negative CST means that there
Correct Answer is B
Explanation
The client should count the baby’s kicks every day to monitor fetal well-being.A nonreactive nonstress test (NST) indicates that the fetal heart rate did not increase adequately with fetal movement, which may suggest fetal hypoxia or distress.A biophysical profile (BPP) is a combination of NST and ultrasound that assesses five parameters: fetal breathing, movement, tone, amniotic fluid volume, and NST.
Each parameter is scored 0 or 2, and the total score ranges from 0 to 10.A score of 8/10 or 10/10 is considered normal, while a score of 6/10 is equivocal and ≤ 4/10 is abnormal.A BPP score of 8/10 with a nonreactive NST means that the fetus has normal biophysical activities but may have chronic hypoxia.
Choice A is wrong because the client does not need to have another BPP in a week unless there are other indications of fetal compromise.The BPP may be repeated once or twice a week depending on the clinical situation.
Choice C is wrong because the client does not need to have an amniocentesis as soon as possible.
Amniocentesis is an invasive procedure that involves inserting a needle into the uterus to obtain amniotic fluid for analysis.It is usually done for prenatal diagnosis of genetic disorders or fetal lung maturity, not for fetal well-being.
Choice D is wrong because the client does not need to deliver the baby by cesarean section.Cesarean section is a surgical delivery that may be indicated for various maternal or fetal conditions, such as placenta previa, breech presentation, fetal distress, or failure to progress in labor.A BPP score of 8/10 with a nonreactive NST does not warrant a cesarean section unless there are other risk factors or complications.
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