The newborn diagnosed with phenylketonuria (PKU) will require long-term follow-up to assess for the development of:

Obesity

Diabetes insipidus

Respiratory distress

Cognitive impairment

Answer and Explanation

The Correct Answer is D

Choice A reason:

Obesity is not a common complication of phenylketonuria (PKU), a genetic disorder that causes increased levels of phenylalanine (an amino acid) in the body. Obesity may be related to other endocrine disorders, such as hypothyroidism or Cushing syndrome.

Choice B reason:

Diabetes insipidus is a condition that causes excessive thirst and urination due to a lack of antidiuretic hormone (ADH) or a problem with the kidneys' response to ADH. It is not caused by PKU, which affects the metabolism of phenylalanine.

Choice C reason:

Respiratory distress is not a typical symptom of PKU, although some newborns with PKU may have a musty odor in their breath, skin, or urine due to the buildup of phenylalanine.

Respiratory distress may be caused by other conditions, such as asthma, pneumonia, or congenital heart defects.

Choice D reason:

Cognitive impairment is the most serious complication of PKU if it is not diagnosed and treated early. High levels of phenylalanine can damage the brain and cause irreversible intellectual disability, neurological problems, and behavioral issues. Early intervention with a special diet that limits phenylalanine intake can prevent or reduce cognitive impairment in children with PKU.

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Free Nursing Study Resources

Correct Answer is ["A","B","C","E"]

Explanation

A. Discard unused formula in used bottle after 2 hours:Once a baby has started drinking from a bottle, bacteria from the baby’s mouth can contaminate the formula. Any leftover formula should be discarded after 2 hours to prevent bacterial growth and reduce the risk of infection.

B. Never prop a bottle:Propping a bottle can lead to choking, ear infections, and dental issues (such as baby bottle tooth decay). Babies should always be held upright during feedings.

C. Formula is available in three forms:Infant formula is available in three types:Ready-to-feed (no mixing needed),Liquid concentrate (mix with water),Powdered formula (mix with water).

E. Store prepared bottles in the refrigerator:If formula is prepared in advance, it must be stored in the refrigerator (≤ 4°C or 40°F) and used within 24 hours to prevent bacterial growth.

Incorrect Answer:

D. Warm the bottle in the microwave:Microwaving heats unevenly, creating hot spots that can burn the baby’s mouth. Instead, warm bottles by placing them in warm water for a few minutes and always test the temperature on the wrist before feeding.

A. Hypoglycemia B. Decreased RBC. C. Hyperbilirubinemia D. Hypercalcemia

Correct Answer is A

Explanation

Choice A reason:

Hypoglycemia is a common complication for newborns whose mothers have diabetes mellitus. This is because the newborn's pancreas produces excessive insulin in response to the high glucose levels in the mother's blood during pregnancy. After birth, the newborn's glucose levels drop rapidly, while the insulin levels remain high, resulting in hypoglycemia. The nurse should monitor the newborn's blood glucose levels and signs of hypoglycemia, such as jitteriness, lethargy, poor feeding, and temperature instability.

Choice B reason:

Decreased RBC is not a likely complication for newborns whose mothers have diabetes mellitus. In fact, these newborns may have increased RBC due to chronic fetal hypoxia caused by placental insufficiency. The nurse should monitor the newborn's hematocrit and signs of polycythemia, such as ruddy skin, jaundice, and respiratory distress.

Choice C reason:

Hyperbilirubinemia is not a likely complication for newborns whose mothers have diabetes mellitus. In fact, these newborns may have increased bilirubin levels due to hemolysis of excess RBC and delayed hepatic clearance. The nurse should monitor the newborn's serum bilirubin levels and signs of jaundice, such as yellow skin and sclera, poor feeding, and lethargy.

Choice D reason:

Hypercalcemia is not a likely complication for newborns whose mothers have diabetes mellitus. In fact, these newborns may have hypocalcemia due to decreased parathyroid hormone secretion and increased calcium binding to albumin. The nurse should monitor the newborn's serum calcium levels and signs of hypocalcemia, such as jitteriness, tremors, seizures, and cardiac arrhythmias.

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The newborn diagnosed with phenylketonuria (PKU) will require long-term follow-up to assess for the development of:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What should be included in teaching for bottle-feeding parents? (Select all that apply.)

Correct Answer is ["A","B","C","E"]

Explanation

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Correct Answer is A

Explanation

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