ATI LPN
PN Pediatric Nursing Online Practice B Questions
Question 1 of 5
A 15-year-old boy has small testes and no facial hair. Karyotype reveals 47,XXY. Most likely diagnosis is:
Correct Answer: C
Rationale: Klinefelter syndrome fits delayed puberty and 47,XXY, per AAP (doc p149, Q568).
Question 2 of 5
A 14-year-old obese boy appears with polyuria and fatigue. Labs reveal blood glucose of 200 mg/dL and no ketonuria. Most likely diagnosis is:
Correct Answer: B
Rationale: Type 2 diabetes fits obesity, hyperglycemia, and no ketonuria, per AAP (doc p151, Q600).
Question 3 of 5
A 3-year-old boy presents with fever and a barking cough. X-ray shows a steeple sign. Most likely diagnosis is:
Correct Answer: B
Rationale: Croup shows barking cough and steeple sign, per AAP. A, C-E differ.
Question 4 of 5
A 5-year-old girl presents with fever and a red, swollen elbow. Aspiration yields gram-positive cocci. Most likely diagnosis is:
Correct Answer: A
Rationale: Septic arthritis fits fever and gram-positive cocci, per AAP. B-E lack infection.
Question 5 of 5
A 2-year-old boy presents with a high fever and rash. Exam shows conjunctivitis and lymphadenopathy. Most likely diagnosis is:
Correct Answer: B
Rationale: Kawasaki disease includes fever, conjunctivitis, and lymphadenopathy, per AHA. A, C-E differ.