Final - opioids Flashcards
What plant is opium derived from?
Opium poppy.
When is opium available for harvest?
Only a few days during the plant’s life.
How is raw opium collected?
By scraping the resin that oozes from shallow cuts in unripe seedpods.
What is extracted from raw opium?
Morphine.
What is derived from morphine?
Heroin.
How long has opium been used medically?
Approximately 6,000 years.
What were early uses of opium?
To relieve pain, reduce diarrhea, and relieve anxiety.
When was opioid addiction first documented?
Around 1,000 BCE.
Who developed laudanum?
Thomas Sydenham.
What year did opium smoking become outlawed in China?
1729
What triggered the Opium Wars?
British involvement in illicit opium trade in China.
What was Britain granted after winning the Opium Wars?
The island of Hong Kong and trading rights.
When was morphine isolated?
1806
How much stronger is morphine compared to opium?
10 times.
When was codeine isolated?
1832
What year was the hypodermic syringe developed?
1853
How potent is heroin compared to morphine?
Three times as potent.
Why was heroin marketed as better than codeine?
It was seen as non-habit-forming.
Where do most opium supplies in Canada come from?
South and Southwest Asia.
What is a major source of illicit opioids in Canada?
Prescription medications.
How are prescription opioids commonly misused?
Snorted or injected instead of taken orally.
How much stronger is fentanyl compared to morphine?
Approximately 100 times stronger.
What is fentanyl used for?
Cancer-related pain in tolerant patients via transdermal patch.
What do endogenous opioids do?
Activate opioid receptors in the brain.