第34章--抗菌药物概论 Flashcards

1
Q

治疗指数是:

A

LD50/ED50

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2
Q

抑制细菌细胞壁合成的药物是:

A

青霉素

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3
Q

影响细菌胞浆膜通透性的药物是:

A

两性霉素

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4
Q

抑制细菌脱氧核糖核酸合成的药物是:

A

磺胺甲噁唑

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5
Q

影响细菌蛋白质合成的药物是:

A

红霉素

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6
Q

耐药性是指:

A

连续用药病原体对药物的敏感性降低甚至消失

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7
Q

抗菌谱是指:

A

药物的抗菌范围

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8
Q

抗菌活性是指:

A

以MIC或MBC表示

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9
Q

下列有关化疗指数的叙述,正确的是:

A

A. 表示化疗药物的安全性
B. 是LD50与ED50之比
C. 是LD5与ED95之比
D. 化疗指数愈大毒性愈低

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10
Q

下列联合用药中不合理的是:

A

B. 青霉素+氯霉素

D. 氨苄西林+林可霉素

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