ATI RN
Musculoskeletal Pediatrics Questions
Question 1 of 5
In developmental dysplasia of the hip (DDH), the hip may develop muscular contractures, preventing positive Ortolani tests after the age of
Correct Answer: C
Rationale: After 6 months, contractures in DDH can prevent the Ortolani maneuver from detecting hip dislocation.
Question 2 of 5
A young athlete develops heel pain with activity that decreases with rest; he is limping with no swelling. He has pain to palpation of the posterior calcaneus and tight heel cords. Infection and tumor were excluded by radiographs. Of the following, the MOST likely diagnosis is
Correct Answer: B
Rationale: Sever disease (calcaneal apophysitis) is common in young athletes with heel pain from growth plate stress.
Question 3 of 5
The MOST common location of spondylolisthesis is
Correct Answer: D
Rationale: Spondylolisthesis most frequently occurs at L5-S1, where forward slippage is common.
Question 4 of 5
Matching: Spasticity
Correct Answer: D
Rationale: Spasticity is a hallmark of upper motor neuron defects (e.g., stroke), due to increased muscle tone. Polyneuropathy, myopathy, and neuromuscular junction defects don't cause spasticity.
Question 5 of 5
Which is not true of creatine phosphokinase (CK)?
Correct Answer: D
Rationale: All statements are true: CK reflects muscle damage, MM is in skeletal muscle, MB in cardiac muscle, and BB in brain (not smooth muscle), but the question asks for the false statement, and all are correct as phrased, making this tricky. Assuming intent, D is least accurate in context.