A nurse is providing dietary teaching to a client who is at 29 weeks of gestation and has phenylketonuria.
Which of the following food suggestions should the nurse include?
Peanut butter sandwich.
Sliced apples.
Glass of skim milk.
Scrambled egg.
The Correct Answer is B
Choice A rationale
Peanut butter contains high phenylalanine levels, contraindicated in phenylketonuria. This amino acid accumulates in individuals lacking phenylalanine hydroxylase, causing neurotoxicity and developmental delay.
Choice B rationale
Apples are low in phenylalanine, making them a safe option for individuals with phenylketonuria. They provide essential nutrients without contributing to phenylalanine accumulation.
Choice C rationale
Skim milk is rich in phenylalanine due to its high protein content. Consumption in phenylketonuria leads to amino acid buildup and potential neurological harm.
Choice D rationale
Eggs are protein-dense and therefore contain significant phenylalanine levels. This amino acid must be restricted in phenylketonuria to prevent its toxic effects on the brain. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
A BUN level of 30 mg/dL is above the normal range of 10 to 20 mg/dL. Elevated BUN is consistent with renal involvement in preeclampsia, which is caused by vascular constriction and reduced renal perfusion.
Choice B rationale
A hemoglobin level of 9.9 g/dL is below the normal gestational range of 11 to 16 g/dL. While anemia might occur, it is not a hallmark feature of preeclampsia itself.
Choice C rationale
A serum uric acid level of 2.5 mg/dL is below the normal range of 2.7 to 7.3 mg/dL. Elevated uric acid is more typical in preeclampsia due to impaired renal function.
Choice D rationale
A casual blood glucose level of 228 mg/dL exceeds the normal range of less than 200 mg/dL. Hyperglycemia is not directly linked to preeclampsia, suggesting an independent metabolic disturbance.
Correct Answer is A
Explanation
Choice A rationale
Ampicillin is a first-line antibiotic effective against group B streptococcus B-hemolytic bacteria, preventing neonatal infection during labor. It targets the bacterial cell wall synthesis and is safe in pregnancy.
Choice B rationale
Azithromycin is a macrolide antibiotic, mainly used for atypical pathogens like Mycoplasma or Chlamydia. It is not the standard treatment for group B streptococcus infections during labor.
Choice C rationale
Ceftriaxone is a broad-spectrum cephalosporin. Though effective for various bacterial infections, it is not the preferred treatment for intrapartum group B streptococcus prevention.
Choice D rationale
Acyclovir is an antiviral medication targeting herpes simplex virus replication. It has no efficacy against bacterial infections like group B streptococcus.
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