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The duration of a drug-effect can be shortened by
A drug that is highly effective in treating many types of infection can,at present,be obtained only from the bark of the ibora , a tree that is quite rare in the wild. It takes the bark of 5000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibore's extinction. Which of the following,if true, most seriously weakens the arguments above ?
Factors that may shorten the duration of action of a drug are
Duration of drug action can be prolonged by
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Following subcutaneous injection of a drug into a healthy young adult, dilatation of the pupil and a rise in systolic blood pressure are produced. The drug could be
Drug action can be prolonged by