A nurse is assisting in the care of a client who is scheduled for a cesarean birth based on the fetal lungs having reached maturity. Which of the following findings indicates that the fetal lungs are mature?

Phosphatidylglycerol (PG) absent

Nonstress test is reactive

Lecithin/sphingomyelin (L/S) ratio of 2:1

Biophysical profile score of 8

Answer and Explanation

The Correct Answer is C

Choice A rationale: The presence of phosphatidylglycerol (PG) in the amniotic fluid is another indicator of fetal lung maturity. The absence of PG is associated with an increased risk of respiratory distress syndrome (RDS) in the newborn.
Choice B rationale: A nonstress test is a test performed during pregnancy to evaluate the fetal heart rate in response to fetal movement. It is not directly related to assessing fetal lung maturity.
Choice C rationale: The L/S ratio is an important indicator of fetal lung maturity. Lecithin and sphingomyelin are two surfactants present in the lungs, and the ratio of these two substances increases as the fetal lungs mature. An L/S ratio of 2:1 or greater is considered an indication of lung maturity and suggests that the newborn should be able to breathe adequately after birth.
Choice D rationale: The biophysical profile (BPP) is a prenatal ultrasound assessment of the fetus, which includes evaluating fetal movements, breathing, heart rate, and amniotic fluid volume. While a BPP of 8 is a reassuring score, it does not provide direct information about fetal lung maturity.

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Correct Answer is A

Explanation

Choice A rationale:

Newborns of diabetic mothers are at risk of developing hypoglycemia (low blood sugar) after birth, especially if they are large for gestational age like the newborn in this scenario.
Choice B rationale:

Hypercalcemia (high blood calcium levels) is not a typical concern in newborns of diabetic mothers, and it is not directly related to the baby's size.
Choice C rationale:

Decreased REC (Respiratory Exchange Capacity) is not a common issue in this scenario, and it is not related to the baby's size or the mother's diabetes.

A. Examine the newborn for birth defects. B. Conduct a gestational age assessment C. Confirm identification and apply a bracelet. D. Dry the newborn.

Correct Answer is D

Explanation

Choice A rationale: While this is an important action, it is not the first priority immediately after delivery. The priority is to ensure the newborn's breathing and warmth.
Choice B rationale: Assessing the gestational age of the newborn is important but can be done after ensuring the newborn's immediate well-being.
Choice C rationale: This is important for proper identification, but it can be done after the newborn is stabilized.
Choice D rationale: The first action after delivery is to dry the newborn to prevent hypothermia and stimulate breathing. Drying the baby helps remove amniotic fluid and stimulates the baby's reflexes, making it the priority action.

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A nurse is assisting in the care of a client who is scheduled for a cesarean birth based on the fetal lungs having reached maturity. Which of the following findings indicates that the fetal lungs are mature?

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Naxlex Comprehensive Predictor Exams

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