In the body, the drugs that own high affinity for the receptors will()
A. be excreted slowly
B. be excreted fast
C. be absorbed fast
D. need a few doses
E. produce stronger effect
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The intrinsic activity of the drugs means()
A. the capacity of membranous penetration
B. the effect when the receptors are stimulated
C. the water solubility
D. the affinity
E. liposolubility
A patient has ingested toic amounts of aspirin, which is a weak acid. Which of the following measures can increase the excretion of aspirin in the urine?()
A. administraion of a weak acid
B. administraion of ammonium chloride
C. administraion of ascorbic acid
D. administraion of a weak base (sodium bicarbonate)
E. administraion of a plcebo
下列关于肝素的正确说法是()
A. 促进血小板聚集
B. 体外抗凝
C. 体内抗凝
D. 降血脂作用
E. 带大量负电荷
患者,女,28岁,大面积烧伤,选用羧苄西林治疗。是因为羧苄西林属于()
A. 耐酸青霉素
B. 耐酶青霉素
C. 广谱青霉素
D. 抗铜绿假单胞菌广谱青霉素
E. 窄谱青霉素
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