ATI RN
NCLEX Pediatric Musculoskeletal Questions Questions
Question 1 of 5
Leg-length discrepancy (LLD) is common and may be due to differences in the femur, tibia, or both bones. The MOST accurate method with reduced-radiation to measure (LLD) is
Correct Answer: D
Rationale: EOS/slot scanning provides accurate LLD measurement with lower radiation exposure compared to traditional methods.
Question 2 of 5
A 4-year-old child presented with back pain, abdominal pain, irritability, and refusal to walk or sit. The child holds his spine in a straight position with loss of lumbar lordosis. The white blood cell count is normal, but the ESR and CRP are high. Of the following, the MOST likely cause is
Correct Answer: A
Rationale: Diskitis, an infection of the disc space, matches the systemic symptoms and inflammatory markers in a young child.
Question 3 of 5
Matching: Paresthesias
Correct Answer: A
Rationale: Paresthesias (tingling) are common in polyneuropathy due to sensory nerve involvement. Myopathy, neuromuscular junction defects, and upper motor neuron defects typically lack sensory symptoms.
Question 4 of 5
Which is not true of muscular dystrophies?
Correct Answer: D
Rationale: All are true of muscular dystrophies: primary myopathy, genetic, progressive, with degeneration. Assuming ‘not true' intent, all are correct, so D moved from E.
Question 5 of 5
A 4-year-old child with a history of poor sucking and swallowing as an infant recently experienced excessive sweating and blotchy erythema, especially when excited. Walking is clumsy. There has been new onset of episodes of cyclic vomiting lasting 24-27 hours, with retching and vomiting every 15-20 minutes with profuse sweating, blotchy erythema, apprehension, and irritability. Which is the most likely diagnosis?
Correct Answer: D
Rationale: Familial dysautonomia features autonomic dysfunction (sweating, erythema, vomiting), poor feeding history, and clumsy gait, matching this case.