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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Placing only part of the nipple in the baby's mouth may result in an ineffective latch, leading to breastfeeding difficulties.
Choice B rationale:
Placing the nipple and 2 to 3 cm of areolar tissue around the nipple into the baby’s mouth aids in adequately compressing the milk ducts. This placement decreases stress on the nipple and prevents cracking and soreness.
Choice C rationale:
Placing the entire areolar is not appropriate.
Choice D rationale:
While babies do have natural instincts to breastfeed, it is essential to provide the mother with specific guidance on achieving a proper latch to ensure successful breastfeeding.
Correct Answer is ["A","B","C","D"]
Explanation
Choice A rationale: Around 10 to 12 months of age, babies develop more advanced oral motor skills and can start to use their tongue to push solid objects out of their mouth. This is a natural reflex that helps prevent choking as they continue to learn how to eat solid foods.
Choice B rationale: Between 8 to 10 months of age, babies start to develop the ability to chew and swallow soft, cooked food. At this stage, they are typically introduced to mashed or finely chopped solid foods to complement their breast milk or formula diet.
Choice C rationale: Newborns typically start with bottle-feeding or breastfeeding. As they grow and develop, they eventually transition to drinking from a cup, which is usually introduced around 6 to 9 months of age. At this stage, the baby is held by another person while they drink from a cup with assistance.
Choice D rationale: Around 6 to 8 months of age, infants start showing an interest in self-feeding and may begin experimenting with a spoon. They may try to scoop food with a spoon but often need assistance and are still primarily dependent on being fed by a caregiver.
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