题目内容

Which of these antibiotics have useful clinical activity against pseudomonas? ( )

A. Ciprofloxacin
B. Co-amoxiclav
C. Penicillin
D. Cefotaxime
E. Metronidazole

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Which of the following directly results from activation of the beta 2 receptor? ( )

A. Decrease in blood pressure
B. Increase in cardiac output
C. Increase in heart rate
D. Increase in stroke volume
E. Decrease kidney blood flow

第三代头孢菌素的组织穿透性及对β-内酰胺酶的稳定性都远好于第一代。

卡比多巴单用时有抗帕金森病作用

格列本脲降血糖的主要作用机制是增强肌肉组织糖的无氧酵解。