A nurse is reinforcing teaching with a client who is at 35 weeks of gestation and has a prescription for a lecithin/sphingomyelin ratio. Which of the following statements should the nurse make?
"This test will detect possible birth defects."
"This test will reveal the sex of the fetus."
"This test will identify your risk for preterm labor."
"This test will determine fetal lung maturity."
The Correct Answer is D
A. The lecithin/sphingomyelin (L/S) ratio test is not used to detect birth defects. It specifically assesses fetal lung maturity by measuring the ratio of two phospholipids present in fetal lung surfactant.
B. The L/S ratio test does not reveal the sex of the fetus. It is unrelated to fetal gender determination.
C. While preterm labor risk can be assessed through other methods, such as cervical length
measurement or fetal fibronectin testing, the L/S ratio test is specifically focused on fetal lung maturity.
D. The L/S ratio test is primarily used to determine fetal lung maturity, as an increased ratio indicates lung maturity and readiness for extrauterine life.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. While reminders of behavioral expectations can be helpful, excessive verbal guidance may increase frustration and is less effective than physical outlets for excess energy.
B. Group activities can be overstimulating for a client experiencing mania and may escalate agitation or distractibility.
C. Allowing unrestricted clothing choices is not a priority intervention during mania and does not address safety or energy management.
D. Encouraging the client to increase physical activity provides a safe outlet for excessive energy, reduces tension, and helps prevent injury or destructive behaviors. Structured physical activity is a therapeutic strategy during manic episodes.
Correct Answer is A
Explanation
A. Switch to a soy-based formula: Bloody stools in infants can be indicative of a cow's milk protein allergy or intolerance. Switching to a soy-based formula may alleviate symptoms in such cases.
B. Switch to a goat's milk formula: Goat's milk is not recommended for infants as it lacks essential nutrients and can lead to nutritional deficiencies and other health issues.
C. Switch to an unpasteurized milk formula: Unpasteurized milk poses a risk of bacterial contamination and is not recommended, especially for infants who are more susceptible to infections.
D. Switch to a condensed milk formula: Condensed milk is not suitable as a primary source of nutrition for infants and does not address the potential underlying issue of cow's milk intolerance.
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