低频电流特点() ["A．每一次刺激都能引起神经肌肉兴奋","B．无电解作用","C．热效应明显","D．穿透力深","E．不产生适应性"]
胃体萎缩性胃炎()十二指肠壶腹部溃疡()胃泌素瘤() ["A．血清胃泌素升高","B．胃酸降低或缺乏","C．两者均有","D．两者均无"]
人体不同组织对超声能量的吸收依次为() ["A．神经＞肌肉＞脂肪","B．肌肉＞神经＞脂肪","C．脂肪＝神经＝肌肉","D．肌肉＝脂肪＞神经","E．脂肪＞肌肉＞神经"]
超声波治疗时采用连续波固定法时，其超声波强度最大不超过() ["A．0.1～0.2w/cm","B．0.3～0.4w/cm","C．0.5～0.8w/cm","D．0.4～0.5w/cm","E．0.8～1.0w/cm"]
Ⅰ型呼吸衰竭()Ⅱ型呼吸衰竭() ["A．Pa02<7．89kPa(60mmHg)","B．PaCO2>6．65kPa(50mmHg)","C．两者均有","D．两者均无"]
严重贫血，Hb<5g／dl，()慢性肺源性心脏病．呼吸衰竭()
