lqc 4 exam qs

Question 1

Give four reasons why a contemporary drug testing protocol is an improvement on the trial used by William Withering.

Answer 1

safer because pure drug used rather than extract and due to pre testing on cells and animals before testing on humans
more valid because a placebo is used as a comparison
more reliable because more people are tested

Question 2

explain why healthy volunteers were given different doses of the drug or a placebo

Answer 2

check for side effects, different doses to determine safe dose, placebo to make sure that any side effects described were due to the drug