Which statement by the nurse explains the purpose of the hip spica cast for the child with developmental dysplasia of the hip (DDH)?
a. It keeps the pelvis tilted in an upward position.
b. It will internally rotate the feet to maintain correct position.
c. It supports the pelvis and the spine and expedites spinal I fusion.
d. It will externally rotate the feet,which keeps the femur head in the acetabulum.