10.Tellurite medium主要用來分離那種細菌?
(A)Corynebacterium diphtheriae
(B)Erysipelothrix rhusiopathiae
(C)Listeria monocytogenes
(D)Actinomyces israelii
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統計: A(1363), B(145), C(190), D(109), E(0) #3135317
統計: A(1363), B(145), C(190), D(109), E(0) #3135317
詳解 (共 4 筆)
#6169628
Corynebacterium spp.之培養:
cystine-tellurite blood agar中添加的potassium tellurite抑制呼吸道常在菌群的生長,也使此培養基具有鑑別作用
potassium tellurite:還原 tellurite出現黑色菌落
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考古題:
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13.用於分離Corynebacterium diphtheriae的Tinsdale medium,含有下列何種成分,可抑制呼吸 道常在菌群的生長,也使此培養基具有鑑別作用?
(A)亞碲酸鉀(potassium tellurite)
(B)孔雀綠(malachite green)
(C)膽鹽(bile salts)
(D)氯黴素(chloramphenicol)
(A)亞碲酸鉀(potassium tellurite)
(B)孔雀綠(malachite green)
(C)膽鹽(bile salts)
(D)氯黴素(chloramphenicol)
答案:A
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23.關於Corynebacterium spp.之培養,下列敘述何者錯誤?
(A) 5% sheep blood agar中添加1% Tween 80有助於lipophilic Corynebacterium spp.的生長
(B) cystine-tellurite blood agar中添加的potassium tellurite主要的功能是促進Corynebacterium diphtheriae之生長
(C) Tinsdale agar是C.diphtheriae之選擇性培養基
(D) Loeffler’s medium是C.diphtheriae之滋養培養基,能有助於此菌形成metachromatic granules
答案:B
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