ATI RN
Musculoskeletal Pediatrics Questions
Question 1 of 5
Most erythema multiforme (EM) cases in children are precipitated by herpes simplex virus infection, though the infection may no longer be apparent by the time EM develops. Mycoplasma pneumoniae and other infectious organisms may also trigger EM.
Correct Answer: A
Rationale: Erythema multiforme is an acute, immune-mediated condition often triggered by herpes simplex virus in children, though Mycoplasma pneumoniae is another common cause.
Question 2 of 5
Infants are born with maximum genu varum. The lower extremity straightens out around the age of
Correct Answer: C
Rationale: Physiologic genu varum (bowlegs) typically resolves by 24 months as the legs straighten with growth.
Question 3 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 4 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 5 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.