Problem 1. If the therapeutic index of a drug is 50, and the effective dose is 2 tablets, how many tablets would be lethal in 50% of the population? What factors might be considered in determining the "safety threshold" of a drug's therapeutic index?
Problem 2. Research and describe the various methods used to detect the presence of drugs in the body, i.e. drug testing, and detail the strengths and weaknesses of each method.