When a client reports using cocaine during her current pregnancy, which laboratory study should a nurse anticipate?

Urine estriol levels.

Serum bilirubin levels.

Urine toxicology studies.

Lecithin-sphingomyelin ratio.

Answer and Explanation

The Correct Answer is C

This is because urine toxicology studies can detect the presence of cocaine and other drugs in the body of the pregnant woman and her unborn baby. Cocaine use during pregnancy can have serious consequences for both the mother and the baby, such as high blood pressure, premature labor, low birth weight, and developmental problems.

Choice A is wrong because urine estriol levels are used to measure the activity of the placenta and the fetal adrenal glands. They are not related to cocaine use.

Choice B is wrong because serum bilirubin levels are used to assess the liver function and the risk of jaundice in newborns. They are not related to cocaine use.

Choice D is wrong because lecithin-sphingomyelin ratio is used to evaluate the fetal lung maturity and the risk of respiratory distress syndrome. It is not related to cocaine use.

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Correct Answer is B

Explanation

The correct answer is choice B. The client should avoid sexual intercourse.Sexual intercourse may stimulate uterine contractions and increase the risk of preterm labor.The client should also avoid activities that may cause dehydration, infection, or stress.

Choice A is wrong because documenting urine output hourly is not necessary for a client with preterm labor who is discharged home.Urine output may be affected by hydration status, kidney function, or medication use, but it is not a reliable indicator of preterm labor.

Choice C is wrong because maintaining a darkened, quiet environment is not required for a client with preterm labor who is discharged home.The client may benefit from rest and relaxation, but there is no evidence that light or noise affects preterm labor.

Choice D is wrong because eating small, frequent meals is not specific to a client with preterm labor who is discharged home.Eating small, frequent meals may help with nausea, heartburn, or blood sugar control, but it does not prevent preterm labor.

A. The fetal heart rate decreases after the start of a contraction and returns to the baseline 60 seconds after the end of the contraction. B. There is a six to ten beat-to-beat variability in the fetal heart rate. C. The fetal heart rate accelerates five to seven beats just prior to the beginning of a contraction. D. The fetal heart rate decreases at the start of the contraction and returns to baseline by the end of the contraction.

Correct Answer is A

Explanation

The correct answer is choice A and it indicates fetal distress because it is a sign oflate deceleration.Late decelerations are due touteroplacental insufficiencyas the result of decreased blood flow and oxygen to the fetus during the uterine contractions.This causeshypoxemiaand can lead to fetal acidosis and neurological damage.

Choice B is wrong because it indicates anormal variabilityin the fetal heart rate, which reflects a healthy autonomic nervous system.A normal fetal heart rate is 120-160 beats per minute.

Choice C is wrong because it indicates anearly accelerationin the fetal heart rate, which is a benign finding that may occur with fetal movement or stimulation.

Choice D is wrong because it indicates anearly decelerationin the fetal heart rate, which is a normal response to fetal head compression during contractions.

It does not indicate fetal distress.

Normal ranges for fetal heart rate patterns are:

• Baseline: 120-160 beats per minute

• Variability: 6-25 beats per minute

• Accelerations: at least 15 beats per minute above baseline for at least 15 seconds

• Decelerations: none or early (mirror contractions)

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When a client reports using cocaine during her current pregnancy, which laboratory study should a nurse anticipate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client treated for preterm labor is to be discharged to home. Which instruction should a nurse include in this client’s discharge plan? The client should:.

Correct Answer is B

Explanation

A nurse caring for a patient in labor is evaluating the fetal heart monitor.Which finding would indicate fetal distress?

Correct Answer is A

Explanation

When a client reports using cocaine during her current pregnancy, which laboratory study should a nurse anticipate?

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