Drugs that bind to a neurotransmitter's receptors on the ...

[shofmannx20]

Drugs that bind to a neurotransmitter's receptors on the postsynaptic membrane without activating them are
 
  A) receptor blockers.
  B) agonists of the neurotransmitter.
  C) antagonists of the neurotransmitter.
  D) both A and B
  E) both A and C

Question 2

Which drug was extracted from the belladonna plant and used by the ancient Greeks for cosmetic purposes?
 
  A) opium
  B) diazepam
  C) d-tubocurare
  D) atropine
  E) endorphin

[orangecrush]

Answer to Question 1

Answer: E

Answer to Question 2

Answer: D