ATI RN
Musculoskeletal Pediatrics Questions
Question 1 of 5
Gowers sign is fully expressed by the age of
Correct Answer: B
Rationale: Gowers sign, a classic indicator of proximal muscle weakness seen in Duchenne muscular dystrophy, typically becomes fully evident by age 5 as the child struggles to rise from the floor.
Question 2 of 5
The least significant finding in Miller-Fisher syndrome (MFS) is
Correct Answer: C
Rationale: Lower limb weakness is not a core feature of MFS, which focuses on ophthalmoplegia, ataxia, and areflexia.
Question 3 of 5
Myasthenia gravis is a chronic autoimmune disease of neuromuscular blockade. Of the following, the MOST characteristic feature is
Correct Answer: A
Rationale: Fatigue, particularly worsening with activity and improving with rest, is the most characteristic feature of myasthenia gravis.
Question 4 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 5 of 5
Maintenance fluids are composed of a solution of water, glucose, sodium, potassium, and chloride. How much of the normal caloric needs of the patient is provided by glucose in maintenance fluids?
Correct Answer: D
Rationale: Standard maintenance fluids (e.g., 5% dextrose) provide about 20% of caloric needs via glucose, a common medical practice.