40.下列何種藥物的效用可緩解氣喘的症狀?
(A)β2腎上腺素受體刺激劑(β2-adrenergic receptor agonist),可造成支氣管擴張
(B)β2腎上腺素受體刺激劑(β2-adrenergic receptor agonist),可造成支氣管收縮
(C)β2腎上腺素受體拮抗劑(β2-adrenergic receptor antagonist),可造成支氣管擴張
(D)β2腎上腺素受體拮抗劑(β2-adrenergic receptor antagonist),可造成支氣管收縮
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統計: A(909), B(150), C(701), D(91), E(0) #1739711
統計: A(909), B(150), C(701), D(91), E(0) #1739711