A clinical test on humans of a new drug is normally done in three phases Phase I is conducted with a relatively small number of

Question

A clinical test on humans of a new drug is normally done in three phases Phase I is conducted with a relatively small number of healthy volunteers For example a phase I test of a specific drug involved only 5 subjects Assume that we want to treat 5 healthy humans with this new drug and we have 7 suitable volunteers available Complete parts a through c below a If the subjects are selected and treated in sequence so that the trial is discontinued if anyone displays adverse effects how many different sequential arrangements are possible if 5 people are selected from the 7 that are available Choose the correct answer below OA 5 040 OB 2 520 O c 120 OD 21

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