At what age is sexual development in boys and girls considered to be precocious?

Upper extremity fractures in children commonly occur as a result of falls. Children are more prone to falls due to their developing motor skills, balance, and coordination. They may fall from playground equipment, bicycles, or simply while running or playing.

While sports injuries (Option A) can also lead to upper extremity fractures, falls are generally the most common cause in children.

Physical abuse (Option B) is an unfortunate possibility in some cases, but it is important to approach the assessment without assuming abuse as the cause without appropriate evidence or disclosure.

Upper extremity fractures resulting from automobile crashes (Option D) are less common in children compared to falls or sports injuries, although they can occur in severe accidents.

It is always important for the nurse to assess the child's history, obtain a detailed account of the injury, and consider any additional signs or indications that may suggest non-accidental trauma if appropriate.

The term used to describe an abnormally increased convex angulation in the curvature of the thoracic spine, which appears as a "hump back" or rounded upper back, is kyphosis.

Kyphosis refers to an excessive forward rounding or curvature of the thoracic spine, leading to a visible hump-like appearance. It can result from various causes, including poor posture, congenital abnormalities, osteoporosis, or certain medical conditions.

ankylosis in (option A), refers to the abnormal fusion or immobility of a joint, typically due to inflammation or injury.

Lordosis, in (option C) refers to an excessive inward curvature of the lower back, causing the abdomen and buttocks to protrude.

, scoliosis in (option D), refers to an abnormal sideways curvature of the spine, typically in an "S" or "C" shape. It is different from kyphosis, which primarily affects the thoracic spine and results in a rounded upper back.