题目内容

The bioavailability is()

A. the quantity of drug absorbed after oral administration
B. the rate of drug absorbed after oral administration
C. the ratio of AUC(oral)/AUC(intravenous)
D. the ratio of AUC (intravenous)/AUC(oral)
E. the area under curve of oral administration

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The pharmacological basis of pyraloxime iodide() in the rescue of organophosphorus poisoning is()

A. production of phosphorus cholinesterase
B. atropine like action
C. production of phosphorus cholinesterase pralidoxime iodide
D. to promote the reuptake of Ach
E. to promote the regenerration fo cholinesterase

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About enterohepatic cycle, which is right?()

A. It is process that the drugs are absorpted into the duodenum, biotransformated in liver and reabsorpted into blood B. It is
B. It is process that the drugs are excreted from bile into the duodenum, reabsorpted in the small intestine and transported into liver C. It is
C. cycle between the liver and the small intestine D. It is
D. It is cycle between the liver and the large intestine E. It is
E. It is cycle between the liver and the duodenum

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4) is()

A. 0.5
B. 0.1
C. 0.01
D. 0.001

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The half life of a drug is 20 h. If it is orally administered just once, how long will it be eliminated at least?()

A. 10h
B. 20h
C. 40h
D. 100h
E. 50h

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The bioavailability is()

A. the quantity of drug absorbed after oral administration B. the rate of drug absorbed after oral administration C. the ratio of AUC(oral)/AUC(intravenous) D. the ratio of AUC (intravenous)/AUC(oral) E. the area under curve of oral administration

The pharmacological basis of pyraloxime iodide() in the rescue of organophosphorus poisoning is()

About enterohepatic cycle, which is right?()

4) is()

The half life of a drug is 20 h. If it is orally administered just once, how long will it be eliminated at least?()

A. the quantity of drug absorbed after oral administration
B. the rate of drug absorbed after oral administration
C. the ratio of AUC(oral)/AUC(intravenous)
D. the ratio of AUC (intravenous)/AUC(oral)
E. the area under curve of oral administration