A nurse is evaluating the fetal heart rate tracing of a client who is in pre-term labor and receiving magnesium sulfate.

The nurse should identify that which of the following patterns indicates a potential adverse effect of the medication on the fetus?

Accelerations

Early decelerations

Variable decelerations

Absent variability

Answer and Explanation

The Correct Answer is D

According to the search results, magnesium sulfate can have a negative effect on the fetal heart rate (FHR) by lowering the baseline, decreasing the variability, and reducing the reactivity or acceleration pattern. Absent variability means that there is no fluctuation in the FHR and it indicates fetal hypoxia or acidosis.

This is a potential adverse effect of magnesium sulfate on the fetus and requires immediate intervention.

Choice A. Accelerations is wrong because accelerations are transient increases in the FHR that indicate fetal well-being. They are not affected by magnesium sulfate.

Choice B. Early decelerations is wrong because early decelerations are decreases in the FHR that occur with uterine contractions and are caused by fetal head compression. They are benign and do not indicate fetal distress. They are not associated with magnesium sulfate.

Choice C. Variable decelerations is wrong because variable decelerations are abrupt decreases in the FHR that vary in shape, duration, and timing and are caused by umbilical cord compression.

They may or may not indicate fetal compromise.

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Correct Answer is A

Explanation

Betamethasone is a corticosteroid that is given to pregnant women who are at risk of preterm delivery to enhance fetal lung maturity and prevent respiratory distress syndrome.It is usually given in two doses, 24 hours apart, and takes effect within 24 hours of administration.

Choice B.Magnesium sulfate is wrong because it is used to prevent seizures in women with severe preeclampsia or eclampsia, not to prevent respiratory distress syndrome.

Choice C.Nifedipine is wrong because it is a calcium channel blocker that is used to inhibit uterine contractions and prolong pregnancy in women with preterm labor, not to prevent respiratory distress syndrome.

Choice D.Indomethacin is wrong because it is a nonsteroidal anti-inflammatory drug that is used to inhibit prostaglandin synthesis and reduce uterine activity in women with preterm labor, not to prevent respiratory distress syndrome.However, it can also cause premature closure of the ductus arteriosus in the fetus and should be avoided after 32 weeks of gestation.

Normal ranges for gestational age are 37 to 42 weeks.

Preterm labor is defined as regular uterine contractions with cervical changes.

A. Avoid sexual intercourse until term B. Drink at least 2 L of water per day C. Lie down when feeling contractions D. Take aspirin for pelvic pain

Correct Answer is B

Explanation

Drinking enough water can help prevent dehydration, which can trigger preterm labor contractions.Dehydration can also cause low amniotic fluid levels, which can affect fetal growth and development.

Choice A is wrong because avoiding sexual intercourse until term is not necessary for most women at risk for preterm labor.Sexual activity does not cause preterm labor unless there are other complications, such as placenta previa or cervical insufficiency.

Choice C is wrong because lying down when feeling contractions may not stop preterm labor.If a woman has regular contractions that cause cervical change, she should seek medical attention as soon as possible.Lying down may also reduce blood flow to the uterus and placenta, which can affect fetal oxygenation.

Choice D is wrong because taking aspirin for pelvic pain is not recommended for pregnant women.Aspirin can increase the risk of bleeding and affect fetal blood circulation.

Pelvic pain may be a sign of preterm labor or other complications, so it should be evaluated by a health care provider

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A nurse is evaluating the fetal heart rate tracing of a client who is in pre-term labor and receiving magnesium sulfate. The nurse should identify that which of the following patterns indicates a potential adverse effect of the medication on the fetus?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is admitting a client who is at 30 weeks of gestation and has pre-term labor. Which of the following medications should the nurse anticipate administering to prevent fetal respiratory distress syndrome?

Correct Answer is A

Explanation

A nurse is educating a client who is at risk for pre-term labor about measures to prevent it from occurring. Which of the following instructions should the nurse include?

Correct Answer is B

Explanation

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A nurse is evaluating the fetal heart rate tracing of a client who is in pre-term labor and receiving magnesium sulfate.

The nurse should identify that which of the following patterns indicates a potential adverse effect of the medication on the fetus?