Final answer:
The most likely complication that can occur in a 3-year-old child admitted with burns is contractures.
Step-by-step explanation:
The most likely complication that can occur in a 3-year-old child admitted with partial- and full-thickness burns over 30 is contractures.Contractures are a common complication of burns, especially in young children. They occur when the burned skin and the underlying tissues heal and tighten, causing limited mobility and potentially affecting the child's ability to grow and develop normally.Treatment for contractures may involve physical therapy, stretching exercises, and, in severe cases, surgery.