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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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)
Correct Answer is C
Explanation
The correct answer is choice C. “What drugs have you used during your pregnancy?”.
This question is open-ended and nonjudgmental, which encourages the patient to disclose more information about her drug use.
The nurse can then assess the type, frequency, and amount of drugs used and plan appropriate interventions.
Choice A is wrong because it is a closed-ended question that can be answered with a yes or no, and it implies criticism of the patient’s behavior, which may make her defensive and less willing to cooperate.
Choice B is wrong because it is also a closed-ended question that can be answered with a yes or no, and it may frighten or anger the patient, who may not be aware of the legal implications of her drug use.
Choice D is wrong because it is too vague and may not cover all the possible drugs that the patient may have used, such as prescription medications, alcohol, or tobacco.
It also labels the patient as a drug user, which may offend her or make her feel ashamed.
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