ATI RN
Pediatric Musculoskeletal Assessment Questions
Question 1 of 5
Brown nits located on the proximal hair shaft suggest active infestation. White nits located on the hair shaft 4 \mathrm{~cm} or farther from the scalp indicate previous infestation. Because nonviable nits can remain stuck in the hair for weeks to months after an infestation has resolved, many children with nits do not have active lice infestation.
Correct Answer: D
Rationale: Brown nits near the scalp indicate active lice laying eggs, while white nits farther out suggest a past, resolved infestation.
Question 2 of 5
A 6-year-old child presented with acute onset of pain in the groin and anterior thigh, he gives history of an upper respiratory tract infection in the preceding 10 days. The patient is afebrile, walks with a painful limp, and has normal white blood cell count, C-reactive protein, and erythrocyte sedimentation rate. Of the following, the MOST likely diagnosis is
Correct Answer: D
Rationale: Transient synovitis is a common, self-limiting condition post-viral infection, matching the presentation and normal labs.
Question 3 of 5
The MOST common cause of in-toeing in a child younger than 2 years old is
Correct Answer: C
Rationale: Metatarsus adductus is the most frequent cause of in-toeing in children under 2, typically benign and positional.
Question 4 of 5
A 13-year-old boy presented with pain, tenderness, and local swelling over the tibial tubercle mostly during and after activity for the last 3 months. Of the following, the MOST likely cause is
Correct Answer: B
Rationale: Osgood-Schlatter disease is common in active adolescents, causing tibial tubercle pain from repetitive traction.
Question 5 of 5
Metatarsus adductus is the most common foot disorder in infants. One of the following is a feature of this disorder
Correct Answer: A
Rationale: Metatarsus adductus results from in utero positioning, is often bilateral, and is more common in firstborns.