ATI LPN
PN Pediatric Nursing Online Practice B Questions
Question 1 of 5
CNS (central nervous system) damage such as microcephaly, intrauterine growth retardation, mental retardation is caused at these radiation dosages:
Correct Answer: B
Rationale: 10,000-15,000 mrad causes CNS damage like microcephaly (ACOG). A is lower risk, C-D are higher, E is incorrect.
Question 2 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 3 of 5
A child appears with chronic cough and recurrent pneumonia. Physical examination reveals digital clubbing. Sweat chloride test is positive. Most likely diagnosis is:
Correct Answer: D
Rationale: Cystic fibrosis fits chronic cough, recurrent pneumonia, clubbing, and positive sweat test, per CFF. A-C, E don’t align.
Question 4 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 5 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.