Two most important sites for drug elimination: ( )
A. pulmonary and liver
B. liver and gastrointestinal tract
C. kidney and liver
D. skin and liver
E. pulmonary and kidney
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Which bacterial process() do quinolones and fluoroquinolones inhibit? ( )
A. DNA synthesis.
B. RNA synthesis.
C. DNA synthesis and RNA synthesis.
D. Quinolones and fluoroquinolones do not affect nucleic acid synthesis.
E. FH2 reductase
Which of these antibiotics have useful clinical activity against pseudomonas? ( )
A. Ciprofloxacin
B. Co-amoxiclav
C. Penicillin
D. Cefotaxime
E. Metronidazole
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。
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