What finding is characteristic of fractures in children?
a. Fractures rarely occur at the growth plate site because it absorbs shock well.
b. Rapidity of healing is inversely related to the child's age.
c. Pliable bones of growing children are less porous than those of adults.
d. The periosteum of a child's bone is thinner, is weaker, and has less osteogenic potential compared to that of an adult.
ANS: B
Healing is more rapid in children. The younger the child, the more rapid the healing process. Nonunion of bone fragments is uncommon except in severe injuries. The epiphyseal plate is the weakest point of long bones and a frequent site of injury during trauma. Children's bones are more pliable and porous than those of adults. This allows them to bend, buckle, and break. The greater porosity increases the flexibility of the bone and dissipates and absorbs a significant amount of the force on impact. The adult periosteum is thinner, is weaker, and has less osteogenic potential than that of a child.
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