ATI RN
Musculoskeletal Pediatrics Questions
Question 1 of 5
A 2-year-old child is brought to you because he refuses to use his right arm. Any attempt to touch it is met with a cry, and the child will not hold objects in his right hand. The mother denies trauma, but she did pull the child by the arm recently when he refused to go into an elevator. The most likely diagnosis is
Correct Answer: D
Rationale: A pulled arm in a toddler commonly causes radial head subluxation (nursemaid's elbow), leading to refusal to use the arm. The history doesn't strongly suggest abuse or fracture.
Question 2 of 5
Match the following terms with the common names - Pes planus
Correct Answer: D
Rationale: Pes planus is flatfoot, characterized by a collapsed arch.
Question 3 of 5
An adolescent has vague knee pain. With the knee fully flexed, there is a discrete tender area on the lateral portion of the articular cartilage of the medial femoral condyle. Which is the most likely diagnosis?
Correct Answer: D
Rationale: Osteochondritis dissecans involves cartilage defects, often causing localized tenderness in the femoral condyle.
Question 4 of 5
A child presents after a fall, which occurred while running. While falling, the child attempted to brace against the fall using his hands in dorsiflexion. There is tenderness over the wrist. Which is the most likely diagnosis?
Correct Answer: B
Rationale: A torus (buckle) fracture of the distal radius is common in children falling on an outstretched hand, causing wrist tenderness.
Question 5 of 5
Expansion of the intravascular volume and increased intravascular pressure are the main causes of edema in
Correct Answer: B
Rationale: Heart failure leads to increased intravascular pressure and volume due to impaired pumping, causing fluid to leak into interstitial spaces, resulting in edema.