题目：
A client who recently had a cerebrovascular accident requires a cane to ambulate. When teaching about cane use, the rationale for holding a cane on the uninvolved side is to
A．prevent leaning.
B．distribute weight away from the involved side.
C．maintain stride length.
D．prevent edema.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B
