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 D
Explanation
Choice A rationale:
Going to the emergency room for black stools without abdominal pain or cramping is not warranted in this situation.
Choice B rationale:
Having the client come to the office to check things out may not be necessary since black stools can be an expected side effect of iron supplements and do not necessarily indicate a problem.
Choice C rationale:
Asking about the client's diet is a valid question, but the black stools are likely due to iron supplements' effects and not related to dietary choices.
Choice D rationale:
Black stools are a known side effect of iron supplements. When iron is broken down during digestion, it can cause the stools to appear black or dark. As the client has no other concerning symptoms like abdominal pain or cramping, this response by the nurse reassures the client that the finding is expected and not a cause for alarm.
Correct Answer is D
Explanation
Choice A rationale: While folic acid is important during pregnancy, this statement is not specifically related to dietary intake for breastfeeding mothers. Adequate folic acid intake is essential during pregnancy to prevent neural tube defects in the developing fetus.
Choice B rationale: This statement does not provide enough information and may not be appropriate for all breastfeeding mothers. The caloric needs of breastfeeding mothers can vary depending on their individual metabolism, activity level, and nutritional status.
Choice C rationale: Breastfeeding mothers require adequate protein intake to support their own nutritional needs and the production of breast milk. Decreasing protein intake is not advisable and may lead to nutritional deficiencies.
Choice D rationale: Breastfeeding mothers need to stay well-hydrated to maintain an adequate milk supply and to support their own health. Drinking enough fluids, preferably decaffeinated, is essential for breastfeeding moms.
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