Following a total knee replacement, the surgeon orders a continuous passive motion (CPM) device. The client asks about the purpose of this treatment. The best response by the nurse is:
a) "CPM delivers analgesic agents directly into the joint."
b) "CPM strengthens the muscles of the leg."
c) "CPM increases range of motion of the joint."
d) "CPM prevents injury by limiting flexion of the knee."
Answer: C
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