Drugs A and B both reduce depression, but drug A is twice as ...

[Anajune7]

Drugs A and B both reduce depression, but drug A is twice as potent as drug B. This difference in potency is
 
  a. clinically important because one only needs to take half as much of drug A as drug B
  b. not clinically important unless drug B's maximal response is less than that of drug A
  c. not clinically important unless drug A's side effects are less disturbing than drug B's side effects
  d. both b and c

Question 2

Excretion of drugs occurs most commonly through
 
  a. the lungs
  b. renal (i.e., involving the kidneys) excretion
  c. hepatic (i.e., involving the liver) excretion
  d. the feces

[randomguy133]

Answer to Question 1

d

Answer to Question 2

b