高频电疗法镇痛作用的原理不包括() ["A.降低感觉神经的兴奋性","B.温热觉的冲动传入中枢,干扰痛觉的传入","C.改善血液循环,促进致痛物质的排除","D.减轻缺血性疼痛","E.脑内吗啡样物质分泌增多"]
霍奇金淋巴瘤的肉眼及镜下特点?
关于毫米波对生物体的作用机制,哪一学说不正确() ["A.谐振学说","B.声电波学说","C.皮层干扰学说","D.场力学说","E.超导电性学说"]
应用干扰电,引起正常骨骼肌强直收缩选用() ["A.0~100Hz","B.90~100Hz","C.25~50Hz","D.1~10Hz","E.20~40Hz"]
干扰电中能兴奋交感神经的差频为() ["A.1~10Hz","B.100Hz","C.25~50Hz","D.90~100Hz","E.50~100Hz"]
梅毒性心脏病主动脉瓣关闭不全()左房粘液瘤()