下述何种药物中毒引起血压下降时,禁用肾上腺素()
A. 苯巴比
B. 异丙肾上腺素
C. 地西泮
D. 氯丙嗪
E. 吗啡
Among the following drugs used to treat peptic ulcer, which drug inhibits gastric acid secretion by blocking H2 receptor is
A. Cimetidine
B. Pirenzepine
C. Proglumide
D. Omeprazole
E. Sucralfate
Which of the following drugs has the largest therapeutic index?()
A. LD50=5mg,ED50=10mg
B. LD50=10mg,ED50=50mg
C. LD50=500mg,ED50=250mg
D. LD50=50mg,ED50=10mg
E. LD50=100mg,ED50=25mg
治疗甲亢的患者应术前2周应用下列哪个药物使腺体变小、变韧,易于切除()
A. 大剂量碘剂 B小剂量碘剂
B. 放射性碘131
C. 普萘洛尔
D. 左旋甲状腺素片
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