Researchers first became interested in LSD's effects a. when ...

[j.rubin]

Researchers first became interested in LSD's effects
 
  a. when it became apparent that LSD had abuse potential
  b. because they thought LSD might be useful in revealing the biochemical basis of psychoses
  c. after psychoanalytic therapists started using LSD as a therapeutic tool
  d. once its resemblance to the neurotransmitter serotonin became known

Question 2

The evidence to date indicates that endogenous cannabinoids (endocannabinoids) act by
 
  a. blocking dopamine receptors
  b. serving as retrograde messengers released from postsynaptic neurons that activate presynaptic cannabinoid receptors
  c. inhancing acetylcholine actions at its receptors
  d. inhibiting the reuptake of monoamine neurotransmitters

[ultraflyy23]

Answer to Question 1

b

Answer to Question 2

b

[j.rubin]

Excellent

[Perkypinki]

TYSM