A.減壓神經(jīng)放電增強,心電頻率加快 B.減壓神經(jīng)放電增強,心電頻率減慢 C.減壓神經(jīng)放電減弱,心電頻率加快 D.減壓神經(jīng)放電減弱,心電頻率減慢 E.減壓神經(jīng)放電沒有任何變化
A.保持神經(jīng)和引導電極的接觸 B.避免肌電干擾 C.使神經(jīng)與周圍組織絕緣 D.防止神經(jīng)干燥,并保溫 E.以上均不對
A.中樞端減壓神經(jīng)放電頻率減慢 B.外周端減壓神經(jīng)放電頻率減慢 C.中樞端和外周端減壓神經(jīng)放電頻率均不變 D.中樞端減壓神經(jīng)放電頻率加快 E.外周端減壓神經(jīng)放電頻率加快