A nurse is evaluating the effectiveness of magnesium sulfate therapy for a client who is in pre-term labor.

Which of the following findings indicates that the therapy is successful?

The client reports decreased uterine contractions

The client’s blood pressure decreases to within normal limits

The client’s deep tendon reflexes are 2+

The client’s urine output increases to more than 30 mL/hr

Answer and Explanation

The Correct Answer is A

Magnesium sulfate is a tocolytic drug that inhibits uterine activity and relaxes smooth muscles. The goal of magnesium sulfate therapy for a client who is in pre-term labor is to stop or reduce the frequency and intensity of contractions.

Choice B is wrong because the client’s blood pressure decreases to within normal limits.

Magnesium sulfate is not an antihypertensive drug and does not lower blood pressure. It is used to prevent seizures in clients with preeclampsia or eclampsia.

Choice C is wrong because the client’s deep tendon reflexes are 2+.

This is a normal finding and does not indicate the effectiveness of magnesium sulfate therapy. A decrease or loss of deep tendon reflexes may indicate magnesium toxicity, which is a serious complication that requires immediate intervention.

Choice D is wrong because the client’s urine output increases to more than 30 mL/hr.

This is also a normal finding and does not indicate the effectiveness of magnesium sulfate therapy. A decrease in urine output may indicate renal impairment or magnesium toxicity, which are both adverse effects of the drug.

The normal range for serum magnesium level is 1.5 to 2.5 mEq/L or 1.8 to 3 mg/dL. The therapeutic range for magnesium sulfate management is 5 to 8 mg/dL.

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Correct Answer is C

Explanation

To promote fetal lung maturity.Betamethasone (Celestone) is a type of corticosteroid that can help reduce the risk of respiratory distress syndrome and other complications in preterm infants by accelerating the development of their lungs.It is recommended for pregnant women between 24 0/7 weeks and 36 6/7 weeks of gestation who are at risk of preterm delivery within 7 days.

Choice A is wrong because betamethasone does not suppress uterine contractions.

It has no effect on the cause of preterm labor.

Choice B is wrong because betamethasone does not prevent infection.

It may actually increase the risk of infection by suppressing the immune system.

Choice D is wrong because betamethasone does not reduce maternal blood pressure.

It may actually cause hypertension and hyperglycemia as side effects.

A. True labor contractions are irregular and subside with rest B. False labor contractions are felt in the lower back and radiate to the abdomen C. True labor contractions cause cervical dilation and effacement D. False labor contractions increase in intensity with ambulation

Correct Answer is C

Explanation

True labor contractions cause cervical dilation and effacement.

This means that the cervix opens up and thins out to prepare for the baby’s passage through the birth canal.

Cervical changes can be measured by a pelvic exam.

Choice A is wrong because true labor contractions are regular and do not subside with rest.False labor contractions are irregular and may stop when you change position or activity level.

Choice B is wrong because false labor contractions are usually felt in the front of the abdomen, not in the lower back.True labor contractions may start in the back and radiate to the abdomen.

Choice D is wrong because false labor contractions do not increase in intensity with ambulation.True labor contractions may become stronger and closer together when you walk.

Normal ranges for cervical dilation and effacement vary depending on the stage of labor, but generally, full dilation is 10 cm and full effacement is 100%.

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A nurse is evaluating the effectiveness of magnesium sulfate therapy for a client who is in pre-term labor. Which of the following findings indicates that the therapy is successful?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer betamethasone (Celestone) to a client who is at 31 weeks of gestation and has pre-term labor. What is the purpose of this medication?

Correct Answer is C

Explanation

A nurse is teaching a client who is at 27 weeks of gestation and has pre-term labor about the signs and symptoms of true labor versus false labor. Which of the following information should the nurse include in the teaching?

Correct Answer is C

Explanation

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A nurse is evaluating the effectiveness of magnesium sulfate therapy for a client who is in pre-term labor.

Which of the following findings indicates that the therapy is successful?