Marijuana Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

medical use of marijuana dates back to

A

ancient times

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2
Q

cannabis sativa

A

2 varieties of plant

  • a psychoactive
  • non-psychoactive
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3
Q

psycoactive cannabis

A

slow growing
weaker fabric
high cannabinoid content
—-delta-9-tetrahydrocannabinol & at lease 66 other cannabinoids

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4
Q

non-psychoactive cannabis

A

Hemp

  • easy and fast growing
  • stronger plant fiber
  • contains cannabinoids, but little THC
  • many industrial uses (ropes, clothing, oils)
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5
Q

Cannabis Sative L.

A

2 subspecies:
Cannabis sativa
Cannabis indica

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6
Q

cannabis sativa

A

higher THC content

-more euphoria

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7
Q

cannabis indica

A

higher content of cannabidol (CBD)

-more medicinal applications (sleep aid, relaxation)

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8
Q

myrcene

A

anxiety and insomnia

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9
Q

Most commonly used illegal drug

A

marijuana

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10
Q

marijuana is legal for recreational use in

A

Canada

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11
Q

marijuana is associates with

A

cigarette and alcohol use

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12
Q

1 cash crop in America

A

marijuana

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13
Q

Cannabis sativa, psychoactive forms:

A

marijuana, bhang, ganja, hashish, hash oil, dab

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14
Q

marijuana

A

dried leaves and flowers

  • usually smoked; can be baked in foods
  • wide range of THC contents (5-15% THC)
  • sinsemilla: without seeds (25-35% THC)
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15
Q

Bhang

A

entire of plant after top has been picked

  • ground into powder
  • often mixed into drinks
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16
Q

Ganja

A

made of the tops of female plants

-resin is still present

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17
Q

Hashish

A

resin from top of female plant

-dried & then smoked or baked in food

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18
Q

Hash oil

A

solvents are used to extract the cannabinoids

-tend to have high THC content (15-70%)

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19
Q

Dab

A

concentrated hash oil

  • infuse marijuana with butane gas
  • 80-90% pure THC
20
Q

Absorption in marijuana

A

high lipid soluble, readily dissolve in water

  • oral
  • inhalation
21
Q

oral marijuana

A

slow

22
Q

inhalation of marijuana

A

10-25% of cannabinoids are absorbed

  • depth of inhalation is more important than length
  • average 15 min to reach blood stream
23
Q

Distribution of marijuana

A

only 1% enters the brain

-distributed all over body

24
Q

Where does marijuana work in the brain?

A

2 cannabinoid receptors

  • CB1
  • CB2
  • *they both work to influence GABA, endorphins, and dopamine
25
Q

CB1

A

found primarily in brain

26
Q

CB2

A

found primarily in periphery

-immune system

27
Q

endogenous agents

A

endocannabinoids

  • Anadamide
  • 2AG
28
Q

2AG

A

more abundant in brain, its the primary one

29
Q

Why not develop CB1 and CB2 (ant)agonist?

A

there has been a development of various CB1 & CB2 agonist and antagonist
-they seem to be less effective than the effects observed from cannabis

30
Q

Efficacy of Cannabis

A

Pharmacodynamic interaction of THC & CBD

  • THC psychoactive efficient can be blunted in CBD
  • medicinal effect may be enhanced by CBD
31
Q

Excretion of marijuana

A

most metabolite take place in liver

-converted to metabolites that rapidly cross into the brain

32
Q

how long does it take for marijuana to remove 1/2 dose?

A

20-30 hours

33
Q

how long can marijuana be detected in body?

A

30 days

34
Q

effects of∆9 THC

A

psychological, perceptual, physical

35
Q

psychological effect of ∆9 THC

A

euphoria, relaxation, sleepiness, “insight”

36
Q

perceptual effects of∆9 THC

A

altered perception of space and time, mood change, introspectin, more creative

37
Q

physical effects of∆9 THC

A

increased heart rate, reddening of eyes, increased appetite, decreased coordination, dry mouth, possible headache

38
Q

long term affects of marijuana

A

fairly minimal to date

39
Q

long term affects in adolescents of marijuana (10-15 years old)

A

significant relationship between early heavy use and the development of psychotic disorders in adulthood
-regular marijuana use may alter adolescent brain development

40
Q

Marijuana comes from which plant?

A

Cannabis sativa

41
Q

What seems to be the opinion of physicians about the medical usefulness of marijuana?

A

-It is not very useful and its use may cause other medical
problems.
-More research regarding its medical usefulness is needed.

42
Q

There is some evidence that THC may be medically useful as a treatment for

A
  • anorexia
  • pain
  • emesis
43
Q

According to the 2011 Monitoring the Future survey, approximately ______ of high school seniors reported using marijuana at least once in the past year.

A

36%

44
Q

In the United States, marijuana use typically involves

A

joints
pipes
blunts

45
Q

The FDA has approved medications that contain

A

THC

46
Q

Worldwide, marijuana is most likely to be used as

A

plant-based marijuana

47
Q

What is multiple sclerosis? How is marijuana therapeutically useful for this condition?

A

Multiple sclerosis is an autoimmune disease that affects the central nervous system. The disease process elicits inflammation, which damages myelin and slows neural transmission. It is a chronic disease with no known cure. Marijuana has been shown to have therapeutic potential in treating muscle spasticity and neuropathic pain from this disease.