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Questions and Answers
Which alkaloid is naturally occurring and is a substitution of a methyl group for a hydroxyl group on carbon 3 of the morphine molecule?
Which alkaloid is naturally occurring and is a substitution of a methyl group for a hydroxyl group on carbon 3 of the morphine molecule?
- Codeine (correct)
- Heroin
- Morphine
- Hydromorphone
What is the chemical modification in heroin compared to morphine?
What is the chemical modification in heroin compared to morphine?
- Substitution of a methyl group for a hydroxyl group on carbon 3
- Carbonyl group instead of hydroxyl at carbon 6 and lacks double bond between 7 and 8
- Substitution of an acetyl group on carbon 3 and 6 (correct)
- Contains phenantrene nucleus of morphine but is manufactured by synthesis
Which class of opioids is widely used to supplement general anesthesia or as a primary anesthetic in very high doses?
Which class of opioids is widely used to supplement general anesthesia or as a primary anesthetic in very high doses?
- Semisynthetic opioids
- Synthetic opioids (correct)
- Morphine derivatives
- Opium alkaloids
What is the unique characteristic of opioids in producing analgesia?
What is the unique characteristic of opioids in producing analgesia?
What is the composition of the three rings of phenanthrene in opium alkaloids?
What is the composition of the three rings of phenanthrene in opium alkaloids?
Flashcards
Codeine
Codeine
Naturally occurring alkaloid with a methyl group substituted for a hydroxyl group on carbon 3 of morphine.
Heroin's Chemical Modification
Heroin's Chemical Modification
Morphine with acetyl groups substituted on carbons 3 and 6.
Synthetic Opioids
Synthetic Opioids
A class of opioids used as a supplement to general anesthesia or as a primary anesthetic at high doses.
Opioid Analgesia
Opioid Analgesia
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Phenanthrene Rings
Phenanthrene Rings
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