The nurse will instruct the patient with a fractured left radius that the cast will need to remain in place
a. for several months.
b. for at least 3 weeks.
c. until swelling of the wrist has resolved.
d. until x-rays show complete bony union.
ANS: B
Bone healing starts immediately after the injury, but since ossification does not begin until 3 weeks postinjury, the cast will need to be worn for at least 3 weeks. Complete union may take up to a year. Resolution of swelling does not indicate bone healing.
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