Chapter 13 - Marijuana Flashcards
How many species of cannabis are there
basil Ganglia, cerebellum, hippocampus, cerebral cortex
Three: Cannabis Stativa, Cannabis Indica, cannabis ruderalis
what is sensemilla
Sensemilla is high grade marijuana made by removing male plants to increase potency of female plants.
What in bhang in India
Weakest form of marijuana; usually made from the remainder of the plant after the top has been picked.
What was the earliest reference to cannabis in historical texts?
In a pharmacy book written by Emperor Shen Nung in 2737 BCE
When did cannabis criminalization begin in Canada
Opium act in 1908
What was the Cannabis Act also know as?
Bill C-45
When was the Cannabis act and its companion legislation bill C-46 introduced into parliament?
April 13, 2017
When was Bill c-45 passed
November 2017 with Royal assent June 21
Who was the first country in the world to legalize weed?
Uruguay
Which age group used the most marijuana?
20-24
The United Nations Office on Drugs and Crime estimated who many people worldwide used illicit drugs?
275 million people
Which drug makes up the largest amount of users worldwide?
Cannabis (200million)
How much has cannabis potency increased?
Its four times as strong now.
Of the 400 active chemicals in marijuana only 66 of them are unique to the cannabis plant. What are they called?
Cannabinoids
Describe the absorption, distribution and elimination of cannabis when smoked
- Rapidly absorbed into blood, distributed in the brain than the body; within 30 minutes much is gone from the brain
- Peak psychological and cardiovascular effects occur within five to 10 minutes
- Thc remaining in blood has half life of about 19 hours.
- Metabolites of thc have a half life of 50 hours.
- Complete elimination of thc and its metabolites may take two to three weeks
When early ingested how long does it take for psychological cardiovascular effects to take place
90 mins
What were the key breakthroughs in research that allowed scientists to understand the mystery of marijuana’s action on the central nervous system
In 1998 researchers developed a technique to identify a measure selective binding sites for thc in rat brains
In 1992 scientists also discovered a natural endogenous substance called anandamide which produced marijuana like effects
What are the two main receptors that THC and other cannabinoids act on
CB1 and CB2 receptors
where are CB1 receptors found in the body
Cbone receptors are widely distributed throughout the Brain but are found especially in areas responsible for the regulation of movement, coordination, learning and memory.
What is one of the most consistent and acute physiological effects of marijuana
Increased heart rate
What have studies shown between the brain differences between non cannabis smokers and cannabis smokers
There has been no scientific study demonstrating meaningful brain differences between marijuana users and non marijuana users
What is the synthetic prescriptible form of THC and what is it used for?
Nabilone– used for nausea associated with cancer treatment
What other effects of cannabis have been observed that aid in treating illnesses such as multiple sclerosis
Antispasmodic effects.
How does marijuana help glaucoma
Lowers intraocular pressure
