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Doctors Medicines MCQs Q&A

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In an experimental study of the effects of a new drug on depression a double-blind control technique is used, which of the following persons should not be informed as to which drug, experimental or placebo is being administered to each individual research participant?
1. Research participants in the experimental group.
2. Research participants in the control group.
3. Persons administering the drug.
4. Persons evaluating the drug effect.
Select the correct answer:
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 ?
Amazon.com Inc said on 28th June stated that it would buy online pharmacy PillPack for an undisclosed amount, sending shares of drug distributors and drug retailers down. Drug retailers CVS Health and Walgreens Boots Alliance plunged 7 percent each in premarket trading. Wholesalers such as AmerisourceBergen, Cardinal Health faced a slowdown in their shares. Which of the following can be inferred from the above information?
In the question below is given a statement followed by two courses of action numbered I and II. You have to assume everything in the statement to be true and on the basis of the information given in the statement, decide which of the suggested course of action logically follow(s) for pursuing. Statement: Drug addiction can cause many long-term negative consequences, including physical health problems as well as mental illnesses. Courses of Action: I: The drug rehabilitation centres should be easily accessible and affordable. II: Drug peddlers should be arrested and punished accordingly.
A recent study proved that children of drug addicts are more likely to become drug addicts, than the other children. The likelihood of this happening, is determined by which parent is the drug addict. This holds true, even if the children are separated from their parents at birth. Assuming this information is true, which of the following conclusions is most appropriate?
Factors altering the binding of the drug to the blood increases the volume of distribution of the drug and the factors that influence drug binding to the extravascular component decreases the volume of distribution.
Which of the following is a correct method to find the fraction of unbound drug in plasma? Given where Cu is the concentration of unbound drug and C is total plasma drug concentration.
For a certain drug, the bile flow rate is 0.7 ml/mm, the biliary drug concentration is 2g/ml and the plasma drug concentration is 0.8g/ml. What will be the bile clearance?
In a graph of rate of excretion versus plasma drug concentration, which kind of drug will give the below shown curve? (x axis- rate of excretion, y axis – plasma drug concentration)
A drug was sold by an auction and according to the usage of trade it was to disclose in advance of any vast damage caused in the quality of the drug but such disclosure was not made and the drug was found to be defective. This is an example of: