60.呼吸時,膈神經(phrenic nerve)的放電頻率(firing frequency)於何時增加?
(A)僅平靜吸氣(quiet inspiration)時增加,用力吸氣(forced inspiration)時不增加
(B)僅平靜呼氣(quiet expiration)時增加,用力呼氣(forced expiration)時不增加
(C)平靜吸氣與用力吸氣(forced inspiration)時皆增加
(D)平靜呼氣與用力呼氣(forced expiration)時皆增加
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統計: A(50), B(29), C(621), D(80), E(0) #2756709
統計: A(50), B(29), C(621), D(80), E(0) #2756709