ATI RN
Pediatric Musculoskeletal Questions
Question 1 of 5
Which is not true of Duchenne muscular dystrophy?
Correct Answer: B
Rationale: Duchenne muscular dystrophy is X-linked recessive, not autosomal dominant, making B false. It's common, symptoms start later, and CK is elevated.
Question 2 of 5
In-toeing gait most commonly results from excessive femoral anteversion. Of the following, the TRUE statements is
Correct Answer: D
Rationale: Excessive femoral anteversion is more common in girls, patellas point inward (not outward), and diagnosis is clinical, not typically by CT. Treatment is usually observation as it often resolves spontaneously.
Question 3 of 5
Scoliosis is a complex 3-dimensional spinal deformity that is defined in the coronal plane as a curve of at least 10 degrees, measured by the Cobb method, on a posteroanterior (PA) radiograph of the spine. Which statement is TRUE about this disease?
Correct Answer: D
Rationale: AIS is more common in females (A is false), inheritance patterns are not 50% (B is incorrect), and melatonin levels are not consistently high (C is wrong). About one-third of girls with AIS have osteopenia.
Question 4 of 5
All the following are indications for external fixation in pediatric fractures EXCEPT
Correct Answer: D
Rationale: Fractures with head injuries and spasticity are not a standard indication for external fixation; the others require stabilization due to soft-tissue compromise.
Question 5 of 5
The MOST severe non-lethal form of osteogenesis imperfecta which results in significant physical disability is type
Correct Answer: C
Rationale: Type III is the most severe non-lethal form, causing significant deformity and disability.