ATI LPN
Pediatric Cardiac Nclex Practice Questions Questions
Question 1 of 5
A 3-month-old infant presents with inconsolable crying and flexed legs. X-ray shows a spiral femur fracture. Most likely diagnosis is:
Correct Answer: C
Rationale: Child abuse is suspected with a spiral fracture in a non-ambulatory infant, per AAP. A, B, D, E are less likely.
Question 2 of 5
A 3-year-old boy presents with fever and a petechial rash. Labs show leukocytosis and positive blood culture. Most likely diagnosis is:
Correct Answer: C
Rationale: Meningococcemia fits fever, petechiae, and positive culture, per CDC. A, B, D, E lack bacteremia.
Question 3 of 5
A 3-month-old infant presents with cyanosis and poor feeding. Chest x-ray shows a narrow mediastinum. Most likely diagnosis is:
Correct Answer: B
Rationale: Transposition shows a narrow mediastinum and cyanosis, per AAP. A, C-E differ.
Question 4 of 5
A newborn appears with ambiguous genitalia and a 46,XX karyotype. Maternal history reveals virilization during pregnancy. Most likely diagnosis is:
Correct Answer: A
Rationale: CAH fits XX karyotype and maternal virilization, per AAP (doc p148, Q561).
Question 5 of 5
Most common thyroid abnormality in patients with Turner syndrome is:
Correct Answer: A
Rationale: Hypothyroidism is the most common thyroid issue in Turner syndrome due to autoimmune thyroiditis, per AAP (doc p149, Q577).