A pediatric nurse is assessing a 10-year-old girl with signs of anorexia nervosa.
Which physical assessment finding would support the diagnosis?

Choice A rationale

Notifying the healthcare provider immediately and requesting antibiotics is premature. Slight redness around pin sites without drainage or pain, and stable vital signs, does not immediately indicate a significant infection requiring systemic antibiotics. This initial finding warrants a thorough assessment and local care before escalating to medical intervention.

Choice B rationale

Removing crusting around pin sites can be detrimental. Crusting can serve as a protective barrier. Aggressive removal can introduce bacteria into the pin tract, increasing the risk of infection, or cause unnecessary pain and trauma to the delicate healing tissue. Gentle cleansing is preferred over forceful removal of adherent crusts.

Choice C rationale

Cleansing the pin sites using sterile saline and assessing for signs of infection is the best immediate action. Slight redness without drainage is often a normal inflammatory response to the foreign body and movement. Sterile saline effectively cleanses without irritating the tissue, and continued assessment helps monitor for evolving signs like increased redness, purulent drainage, or fever.

Choice D rationale

Documenting findings as normal and continuing routine assessments is insufficient. While slight redness can be normal, it still requires diligent monitoring and appropriate pin site care to prevent potential complications. Assuming normalcy without active intervention like cleansing could allow a minor irritation to progress to a more serious infection. .

Choice A rationale

Juvenile Idiopathic Arthritis is a chronic autoimmune inflammatory condition affecting joints in children, often leading to pain, swelling, and stiffness. It does not primarily affect proximal muscle strength or neuromuscular coordination in a way that would manifest as a Gowers sign. The underlying pathology involves synovial inflammation rather than primary muscle weakness.

Choice B rationale

Multiple Sclerosis is a demyelinating disease of the central nervous system, predominantly affecting adults, though rare in children. While it can cause muscle weakness and gait disturbances due to impaired nerve conduction, a positive Gowers sign is not a characteristic or primary indicator of this condition. Its presentation is typically varied and includes sensory deficits, visual disturbances, and ataxia.

Choice C rationale

Osteosarcoma is a malignant bone tumor, primarily affecting long bones, common in adolescents. Its primary manifestations include localized pain, swelling, and sometimes a palpable mass. It causes structural damage to the bone and surrounding tissues but does not directly lead to the proximal muscle weakness and compensatory maneuvers seen with a Gowers sign.

Choice D rationale

Muscular dystrophy, particularly Duchenne muscular dystrophy (DMD), is a genetic disorder characterized by progressive degeneration of muscle fibers, leading to increasing muscle weakness. The Gowers sign is a classic indicator of proximal muscle weakness, where the child uses their hands to "walk up" their legs to stand from a seated position, due to weakness of the gluteal and quadriceps muscles. This sign is highly specific to conditions like DMD where progressive proximal muscle weakness is a hallmark.