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
4) is()
A. 0.5
B. 0.1
C. 0.01
D. 0.001
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
If the plasma half-life of a drug is 7 hours, then for multi-dose, when steady state concentration() of the drug in plasma is reached? ()
A. after 7 hours
B. After 14 hours
C. after 21 hours
D. after 35 hours
E. after 4 hours
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