单项选择题
A.冷湿敷 B.局部按摩 C.热湿敷 D.冷热交替湿敷
A.1/5~1/3 B.1/4~1/3 C.1/3~1/2 D.1/2~2/3
A.3s B.5s C.10s D.15s
A.心肌收缩力增强 B.心输出量降低 C.机体代谢率降低 D.心肌收缩力降低
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