opiates Flashcards
1
Q
opiate action
A
- kill pain by preventing the transmission of pain impulses in the brain rather than at source
- they bind to the opoid receptors in the brain which blocsk the impulses
2
Q
how does a strong analgesic enter the brain
A
- they have to pass the blood brain barrier; a hydrophobic, non polar environement
-analgesic properties depend on ;
ability to move form the blood into the brain where lipid solubility is important
3
Q
morphine
A
- derived from poppy seed opoium
0used in sever pain managment
-can form dependence
4
Q
codeine
A
- derived from opium or
METHYLATION reaction of morphine - ## used in cough medications and sthor term teratment of diarrhoera
5
Q
diamorphine (heroine)
A
- derived from ESTERIFICATIOn reaction of morphine
- rapidly acting and most abused narcotic
- high euphoric effects/high addiction/high addiction
6
Q
effectiveness of opiate order
A
increasing analgesic, narcotic and side effects:
- codiene (least)
- morphine
- diamoprhine )most)
7
Q
pain mangemant ladder order
A
- use mild analgesic
- use weak opiod
- use strong opiod
8
Q
side effects of analgesics
A
- constipation
- supression of cough reflex
- constriction in pupils
-narcotic
-addiction
= crime and heroine addicts