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Drugs and Behaviour 2020B > Marijuana > Flashcards

Marijuana Flashcards

1
Q

When and where was cannabis first reportedly used?

A

Ancient China in the 2800s

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2
Q

Who discovered the psychoactive components of cannabis?

A

Chinese Emperor Shen Nung

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3
Q

When was cannabis introduced to Canada and America respectively?

A

1606 (Canada) and 1611 (America)

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4
Q

What is hashish?

A

A form of sweetmeat made from flower tops.

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5
Q

Who waged the first campaign against all drug use?

A

Harry Anslinger

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6
Q

When was marijuana considered a narcotic?

A

1929

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7
Q

What percent of Canadians have used cannabis?

A

45%

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8
Q

What percent of Canadians have used cannabis in the last year?

A

12%

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9
Q

What percent of Canadians who have used cannabis in the last year are daily users?

A

33%

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10
Q

What is the main psychoactive ingredient of cannabis?

A

Delta-9-tetrahydrocannabinol

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11
Q

When was THC isolated and synthesized?

A

1964

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12
Q

In the 1970s, what amount of THC would a joint contain?

A

30mg or around 2%

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13
Q

In the current time, what amount of THC does a joint contain?

A

60mg or around 4%

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14
Q

What is hashish made out of?

A

The trichomes of flower buds and leaves, called kief.

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15
Q

What percent of hash is THC?

A

10%

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16
Q

What percent of hash oil is THC?

A

40%

17
Q

Why do people report increasing effects of marijuana despite no experimental evidence proof?

A

People get better at extracting THC the more experienced at smoking they become. They are able to smoke better and receive a larger dose per hit.

18
Q

When does peak marijuana blood concentration occur?

A

It occurs in about 10 minutes.

19
Q

When does peak marijuana effects occur?

A

In about 30-60 minutes

20
Q

How long does marijuana effects last?

A

About 2-4 hours.

21
Q

How much stronger are oral doses of THC versus inhaled doses?

A

Three times as strong.

22
Q

What is the elimination half life of THC?

A

Around 5 days.

23
Q

What is dronabinol (Marinol)?

A

THC suspended in sesame oil

24
Q

What is Sativex?

A

Oral spray of THC

25
Q

What is nabilone (Cesamet)?

A

Synthetic THC

26
Q

Is marinol and cesamet better at anti-nausea relief than smoked marijuana?

A

Yes

27
Q

Is marijuana good for pain relief?

A

Marijuana is useful for pain relief in pain sensitivity, tolderance, and periods of pain relief.

28
Q

What is the difference between CBD and THC?

A

CBD is the main “medical” component. It has the pain reducing effects, anti-anxiety, anti-psychotic, and has little effect of drowsiness. It has little effect on learning and memory.

29
Q

What is the difference between marijuana smoke versus tobacco smoke?

A

Marijuana smoke has more and higher concentrations of harmful constituents. Smoking a join is 5x the amount of carbon monoxide, 4 times the tar, and 10 times the damage to cell damage in the airways.

30
Q

What type of memory does THC affect the most?

A

THC affects short term (working) memory as opposed to long term or reference memory.

31
Q

How does THC affect memory?

A

It reduces cholinergic neurotransmission in the hippocampus (a part of the brain rich in cannabinoid receptors)

32
Q

What study did Lane et al. (2005) conduct and what did it show?

A

They examined the effects of marijuana on the DMTS performance and found significant impairment and have concluded that it impaired all states of memory incoding as well as neurotransmitters.

33
Q

What percent of pregnant women use marijuana?

A

7%

34
Q

What is the conclusion of teratological effects of marijuana?

A

It does not produce the same severe effects as with alcohol, but there are some risks (such as low birth weight)

Drugs and Behaviour 2020B (2 decks)

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