QOD-6

Answer:
D.  "This cast will keep the hip joints in the correct position so they can heal."
Rationale: 
A spica cast is a plaster cast applied to the hips and legs of a child born with developmental dislocation of the hip-a condition in which a baby is born with one or both hip joints dislocated. The cast places the hip joints into their sockets and keeps them in place for a period of time while they heal. The parents should be taught that the cast is in place for the specified period of time and it is not removed for elimination; some children are delayed in walking after the cast is removed, but they usually catch up to their peers.