53 下列何者是具有Bisbenzylisoquinoline 型的神經肌肉阻斷劑?
(A) Emetine
(B) Hydrastine
(C) Berberine
(D) Tubocurarine

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統計: A(10), B(5), C(17), D(321), E(0) #443958

詳解 (共 3 筆)

#2479397
77.下列何種生物鹼屬於bis-benz...
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#5001408

Isoquinoline的分類

Benzyl-isoquinolineTubocurarine(雙體bis), Papaverine
Phthalide-isoquinolineHydrastine, Noscapine
BenzophenanthridineSanguinarine
ProtoberberineBerberine, Emetine, Cephaeline
MorphinanThebaine, Codeine, Morphine



順便補充骨骼肌阻斷劑的分類

兩種都是抗NM受體

去極化型阻斷劑

Depolarizing agent

Succinylcholine, Decamethonium

機轉:跟NM受體結合使之持續的去極化,無法傳遞下個脈衝(類似去敏化Desensibilization)

DDI:麻醉使用Halothane時給Succinylcholine可能導致惡性高熱Maglignant hyperthemia,治療用Dantrolene(阻斷鈣離子釋放)

非去極化阻斷劑

Nondepolarizing agent

=競爭型阻斷劑

箭毒類:Tubocurarine, Pancuronium, Mivacurium, Metocurine, Doxacurium, Atracurium

機轉:跟Ach競爭,抑制其結合NM受體

解毒劑Neostigmine

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#5731738
Tubocurarine

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