ATI LPN
PN Pediatric Nursing Online Practice B Questions
Question 1 of 5
Most reliable diagnostic test for cystic fibrosis is:
Correct Answer: C
Rationale: Sweat chloride test is the gold standard for cystic fibrosis diagnosis, per CFF. D is confirmatory, A, B, E are supportive.
Question 2 of 5
A child with a history of cystic fibrosis appears with bone pain and difficulty walking. X-ray reveals multiple fractures and osteopenia. Most likely diagnosis is:
Correct Answer: C
Rationale: Cystic fibrosis-related bone disease fits bone pain, fractures, and osteopenia, per CFF. A, B, D, E don’t match history.
Question 3 of 5
A 9-year-old girl presents with abdominal pain and a palpable mass. Ultrasound shows an ovarian cyst. Most likely diagnosis is:
Correct Answer: B
Rationale: Functional cysts are common in prepubertal girls and often benign, per ACOG. A-D are less likely without specific signs.
Question 4 of 5
A 6-year-old boy presents with fatigue and joint pain. Labs show antinuclear antibodies. Most likely diagnosis is:
Correct Answer: B
Rationale: SLE features fatigue, joint pain, and ANA positivity in children, per ACR. A, C-E differ in serology.
Question 5 of 5
A 2-year-old boy presents with fever and a limp. X-ray shows periosteal elevation in the tibia. Most likely diagnosis is:
Correct Answer: B
Rationale: Osteomyelitis features fever, limp, and periosteal elevation, per AAP. A, C-E differ in imaging.