Nokea
A child with leukemia is prone to
- A. Bleeding
- B. Infection
- C. Anemia
- D. All of the above
Correct Answer: D
Rationale: All D result from leukemia, per document p57, 7.
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Prenatal diagnosis of affected male fetus with adrenoleukodystrophy is made by:
- A. Elevated MCFA levels in cultured amniocytes
- B. Decreased MCFA levels in chorionic villus cells
- C. Prenatal ultrasonography performed by an expert
- D. Fetal hyperactivity in utero
Correct Answer: A
Rationale: Elevated VLCFA in cultured amniocytes diagnoses adrenoleukodystrophy prenatally (NORD). B-E are not diagnostic.
A newborn appears with abdominal distension and bilious vomiting. Abdominal x-ray reveals a double bubble sign. Most likely diagnosis is:
- A. Pyloric stenosis
- B. Duodenal atresia
- C. Hirschsprung disease
- D. Meconium ileus
Correct Answer: B
Rationale: Duodenal atresia shows a double bubble sign with bilious vomiting, per AAP. A, C-E have different presentations.
A child with nephrotic syndrome requires
- A. High-protein diet
- B. Low-salt diet
- C. Steroids
- D. All of the above
Correct Answer: D
Rationale: All D manage nephrotic syndrome, per document p60, 3.
In administering vitamin K to the infant shortly after birth, the nurse understands that vitamin K is
- A. Synthesized by the kidneys
- B. Not initially synthesized because of sterile bowel at birth
- C. Given to enhance lung function
- D. Produced by the liver immediately
Correct Answer: B
Rationale: Not initially synthesized because of sterile bowel at birth B explains the need for vitamin K to prevent hemorrhagic disease, per document .
A newborn girl appears with ambiguous genitalia and a 46,XX karyotype. Labs reveal elevated 17-hydroxyprogesterone. Most likely diagnosis is:
- A. Congenital adrenal hyperplasia
- B. Androgen insensitivity syndrome
- C. Gonadal dysgenesis
- D. 5-alpha reductase deficiency
Correct Answer: A
Rationale: CAH fits XX karyotype and elevated 17-OHP, per AAP (doc p149, Q574).