ATI RN
Pediatric Musculoskeletal Questions
Question 1 of 5
Treatment of Leg-length discrepancy (LLD) is usually required if it is greater than
Correct Answer: A
Rationale: LLD >2 cm often requires intervention due to potential gait and spinal issues.
Question 2 of 5
A 16-year-old athlete male presented with burning pain, weakness, and numbness of right upper extremity after lateral flexion of the neck away from the involved upper extremity, the symptoms resolve after 10 minutes. Of the following, the MOST likely cause is
Correct Answer: A
Rationale: Brachial plexopathy (e.g., burner/stinger) is common in athletes and matches the transient neurological symptoms.
Question 3 of 5
Matching: Kocher-Debré-Sémélaigne Syndrome
Correct Answer: D
Rationale: Kocher-Debré-Sémélaigne Syndrome is associated with hypothyroidism, featuring muscle hypertrophy and weakness. Other options are distinct metabolic or endocrine disorders.
Question 4 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 5 of 5
A 4-year-old child presents with symmetric weakness that began in the lower extremities and subsequently progressed over 10-14 days to involve the trunk and upper limbs. Deep tendon reflexes are absent. There are no sensory deficits or bowel or bladder dysfunction. Nerve conduction velocity test results are abnormal. The cerebrospinal fluid shows protein of 78 mg/dL and 5 white blood cells /μL. Which is the most likely diagnosis?
Correct Answer: D
Rationale: Guillain-Barré syndrome is indicated by progressive symmetric weakness, absent reflexes, abnormal nerve conduction, and CSF with elevated protein but few cells (albuminocytologic dissociation).