A.100000Hz
B.10000Hz
C.1000Hz
D.100Hz
E.10Hz
[单选题]兴奋神经肌肉的电流频率不应大于A.100000HzB.10000HzC.1000HzD.100HzE.10Hz
[单选题]标准正常人耳能听到的频率为A.20~20000HzB.10~10000HzC.10~100000HzD.50~50000HzE.10~50000Hz
[单选题]哪一频率不在超声的频率范围A.10000HzB.1000000HzC.1MHzD.0.1MHzE.20MHz
[单选题]对于植物神经,可兴奋迷走神经的频率是 ( )A.0~5HzB.5~10HzC.10~50HzD.50~100HzE.100~150Hz
[单选题]引起肌肉单收缩较适宜的电流频率是A.1~10HzB.10~20HzC.20~30HzD.50HzE.100Hz
[单选题]引起肌肉单收缩的较适宜电流频率是A.1~10HzB.10~20HzC.20~30HzD.50HzE.100Hz
[单选题]对于运动神经可引起肌肉强直收缩频率是 ( )A.20~30HzB.1~10HzC.10~20HzD.40~50HzE.60~100Hz
[单选题]适于引起肌肉单收缩的电流频率是A.1~10HzB.11~20HzC.21~30HzD.31~40HzE.41~50Hz
[单选题]超声波是人耳听不到的声波,其频率大于A.1000HzB.2000HzC.20kHzD.2MHzE.10kHz
[单选题]音频电疗法的频率范围为A.0~100HzB.100~1000HzC.1000~5000HzD.5000~10000HzE.10000~20000Hz