6.在使用支氣管擴張劑治療,支氣管阻塞有改善後,病人的喘鳴(wheezing)的特性會有何種變化?
(A)音頻變高,期間延長(higher pitched, longer duration)
(B)音頻變高,期間縮短(higher pitched, shorten duration)
(C)音頻變低,期間延長(lower pitched, longer duration)
(D)音頻變低,期間縮短(lower pitched, shorten duration)
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統計: A(12), B(26), C(64), D(453), E(0) #1947489
統計: A(12), B(26), C(64), D(453), E(0) #1947489