A woman is undergoing a nipple-stimulated contraction stress test (CST). She is having contractions that occur every 3 minutes (3/10). The fetal heart rate (FHR) has a baseline of approximately 130 beats/min with the decelerations happening after the mother's contractions, Nadirs happening at the end of the uterine contractions. The interpretation of this test is said to be
Select one:

Positive

Negative

Satisfactory

Reactive

Answer and Explanation

The Correct Answer is C

a.   A positive CST indicates late decelerations that persist in more than 50% of the contractions, which is not the case in this scenario.
b.   A negative CST indicates the absence of late decelerations, which is not the case in this scenario.
c.   A satisfactory CST indicates that there are no late decelerations, and the test is considered normal.
d.   Reactive is not a term used to interpret a CST.

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Correct Answer is D

Explanation

a. A scalp electrode is not indicated unless there is a problem with the external monitor tracing or if further assessment of the fetal heart rate variability is needed.
b. This is important but repositioning the patient is the priority.

c. Amnioinfusion is only done if repositioning the patient does not resolve the late decelerations.

d. The nurse is observing late decelerations of the fetal heart rate, which indicate uteroplacental insufficiency and fetal hypoxia. The nurse's first priority is to reposition the patient to improve placental blood flow and oxygen delivery to the fetus. Repositioning can be done by turning the patient to her side, elevating her legs, or placing a wedge under her hip.

A. Vaginal Ultrasound for placental location B. Amniocentesis for fetal lung maturity C. Abdominal Ultrasound for placental location D. Contraction stress test (CST)

Correct Answer is A

Explanation

a. This would help determine the location of the placenta and whether placenta previa is present, which can cause painless vaginal bleeding.
b. This is not typically done for diagnosis of painless vaginal bleeding.
c. While an abdominal ultrasound can also determine the location of the placenta, a vaginal ultrasound is more accurate for this purpose.
d. This is not typically done for diagnosis of painless vaginal bleeding.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

Correct Answer is A

Explanation

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