A nurse is assessing a client for pre-term labor.

Which diagnostic test should the nurse anticipate being ordered for this client?

Ultrasound

Blood count

Urine culture

Amniocentesis

Answer and Explanation

The Correct Answer is A

Ultrasound.

An ultrasound can help determine the gestational age, fetal growth, placental location, and amniotic fluid volume of the fetus.

These factors can affect the risk of pre-term labor and delivery.

An ultrasound can also detect cervical changes that may indicate pre-term labor.

Choice B is wrong because a blood count is not specific for pre-term labor.

It may be done to check for anemia, infection, or other conditions that may affect the pregnancy, but it does not directly assess the risk of pre-term labor.

Choice C is wrong because a urine culture is not specific for pre-term labor.

It may be done to check for urinary tract infection, which can cause pre-term labor, but it does not directly assess the risk of pre-term labor.

Choice D is wrong because an amniocentesis is not usually done for pre-term labor.

It may be done to check for fetal lung maturity, chromosomal abnormalities, or infections, but it is an invasive procedure that carries some risks and complications.

It does not directly assess the risk of pre-term labor.

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Correct Answer is B

Explanation

Cervix is shortened and thinned.This indicates cervical effacement, which is the thinning and softening of the cervix in preparation for childbirth.Cervical effacement is measured in percentages, from 0% (no effacement) to 100% (fully effaced).

Choice A is wrong because cervix is soft and pliable does not necessarily mean it is effaced.The cervix can soften before it thins and shortens.

Choice C is wrong because cervix is dilated and open indicates cervical dilation, which is the opening of the cervix.Cervical dilation is measured in centimeters, from 0 cm (closed) to 10 cm (fully dilated).

Cervical dilation and effacement are related, but not the same.

Choice D is wrong because cervix is posterior and high indicates the position of the cervix in relation to the vagina.The cervix can move from posterior (back) to anterior (front) and from high to low as labor progresses.

The position of the cervix does not indicate effacement.

A. “This medication will help prevent seizures in case I develop preeclampsia.” B. “This medication will help mature my baby’s lungs in case he is born early.” C. “This medication will help relax my uterus and stop contractions.” D. “This medication will help lower my blood pressure in case it gets too high.”

Correct Answer is C

Explanation

This medication will help relax my uterus and stop contractions.

Magnesium sulfate is a tocolytic, a medication used to suppress uterine contractions and delay preterm delivery.The exact mechanism through which magnesium sulfate inhibits contractions is unknown, but researchers believe it likely works by lowering calcium levels in the uterine muscles.

Choice A is wrong because magnesium sulfate is not used to prevent seizures in case of preeclampsia.

Preeclampsia is a condition characterized by high blood pressure and protein in the urine during pregnancy.Magnesium sulfate may be used to treat seizures if they occur with eclampsia, which is a severe complication of preeclampsia.

Choice B is wrong because magnesium sulfate does not help mature the baby’s lungs in case of preterm birth.

Magnesium sulfate may have some neuroprotective effects for the baby, but it does not affect lung development.Steroids are usually given to pregnant women at risk of preterm delivery to help accelerate fetal lung maturation.

Choice D is wrong because magnesium sulfate does not lower blood pressure in case it gets too high.

Magnesium sulfate may have some vasodilatory effects, but it is not used as an antihypertensive agent.Other medications, such as hydralazine or labetalol, are used to treat high blood pressure during pregnancy.

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A nurse is assessing a client for pre-term labor. Which diagnostic test should the nurse anticipate being ordered for this client?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is performing a digital examination on a client who is at 34 weeks of gestation and has pre-term labor. Which of the following findings indicates cervical effacement?

Correct Answer is B

Explanation

A nurse is teaching a client who is at 25 weeks of gestation and has pre-term labor about the purpose and side effects of magnesium sulfate therapy. Which of the following statements by the client indicates an understanding of the teaching?

Correct Answer is C

Explanation

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A nurse is assessing a client for pre-term labor.

Which diagnostic test should the nurse anticipate being ordered for this client?