ATI RN
Musculoskeletal Pediatrics Questions
Question 1 of 5
Osteoporosis that occurs in childhood is related to
Correct Answer: C
Rationale: The text lists multiple causes, but steroid therapy (C) is a well-known cause of osteoporosis in children due to its impact on bone metabolism.
Question 2 of 5
Hypokalemia is common in children, with most cases related to
Correct Answer: A
Rationale: Gastroenteritis is the most common cause of hypokalemia in children due to potassium loss in diarrhea.
Question 3 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 4 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 5 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.