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

Biophysical profile score of 8

Phosphatidylglycerol (PG) absent

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

Nonstress test is reactive

Answer and Explanation

The Correct Answer is C

Choice A reason: A biophysical profile score of 8 is a good indicator of fetal well-being, but it does not measure the fetal lung maturity. It consists of five parameters: fetal breathing movements, fetal movements, fetal tone, amniotic fluid volume, and nonstress test.

Choice B reason: Phosphatidylglycerol (PG) is a phospholipid that is present in the fetal lung surfactant. Its presence indicates that the fetal lungs are mature, while its absence does not rule out the possibility of maturity.

Choice C reason: Lecithin and sphingomyelin are two phospholipids that are found in the fetal lung surfactant. The L/S ratio is the ratio of lecithin to sphingomyelin in the amniotic fluid. A ratio of 2:1 or higher indicates that the fetal lungs are mature and can produce enough surfactant to prevent respiratory distress syndrome.

Choice D reason: A nonstress test is a test that measures the fetal heart rate and its response to fetal movements. A reactive test means that the fetal heart rate increases by at least 15 beats per minute for at least 15 seconds twice in a 20-minute period. This indicates that the fetus is healthy and well-oxygenated, but it does not reflect the fetal lung maturity.

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Correct Answer is B

Explanation

Choice A reason: Ceftriaxone is incorrect because it is not the drug of choice for syphilis treatment. It is a cephalosporin antibiotic that can be used for other bacterial infections, such as gonorrhea, meningitis, or pneumonia.

Choice B reason: Penicillin G is correct because it is the drug of choice for syphilis treatment. It is a penicillin antibiotic that can effectively cure syphilis at any stage, except for neurosyphilis, which requires intravenous administration.

Choice C reason: Acyclovir is incorrect because it is not the drug of choice for syphilis treatment. It is an antiviral medication that can be used for viral infections, such as herpes simplex virus, varicella-zoster virus, or cytomegalovirus.

Choice D reason: Tetracycline is incorrect because it is not the drug of choice for syphilis treatment. It is a tetracycline antibiotic that can be used for other bacterial infections, such as chlamydia, acne, or Lyme disease.

A. Hyperbilirubinemia B. Hypoglycemia C. Hypoinsulinemia D. Hypercalcemia

Correct Answer is B

Explanation

Choice A reason: Hyperbilirubinemia is incorrect because it is not a major complication of infants of diabetic mothers. It is a condition where the baby has high levels of bilirubin in the blood, which can cause jaundice. It can occur in any newborn, but it is more common in premature babies, babies with blood type incompatibility, or babies with infections.

Choice B reason: Hypoglycemia is correct because it is a major complication of infants of diabetic mothers. It is a condition where the baby has low blood sugar levels, which can cause seizures, lethargy, or poor feeding. It can occur because the baby's pancreas produces too much insulin in response to the mother's high blood sugar levels during pregnancy.

Choice C reason: Hypoinsulinemia is incorrect because it is not a major complication of infants of diabetic mothers. It is a condition where the body does not produce enough insulin, which can cause high blood sugar levels. It can occur in children or adults with type 1 diabetes, but not in newborns of diabetic mothers.

Choice D reason: Hypercalcemia is incorrect because it is not a major complication of infants of diabetic mothers. It is a condition where the baby has high levels of calcium in the blood, which can cause muscle weakness, vomiting, or kidney stones. It can occur in babies with certain genetic disorders, such as Williams syndrome, or babies with hyperparathyroidism, but not in infants of diabetic mothers.

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

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Naxlex Comprehensive Predictor Exams

The drug of choice for syphilis treatment is

Correct Answer is B

Explanation

Correct Answer is B

Explanation

To lower your risk of getting an STD, you should:

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