Shared Flashcard Set

Details

pirotte Pharm
booze, cigs, weed, drugs, analgesia
82
Other
Not Applicable
09/24/2005

Additional Other Flashcards

 


 

Cards

Term
what must be present to call a pt "substance dependant?"
Definition
tolerance, withdrawl, unsuccesful efforts to cut down etc
Term
is dependence the same as addiction?
Definition
nyet
Term
receptors at which EtOH works
Definition
gaba, glu, mu, cannab, ach, ser, ca
Term
metabolic steps of EtOH
Definition
EtOH-->acetaldehyde-->acetic acid
Term
two big sx of EtOH withdrawl
Definition
dts, grandmal
Term
rx for EtOH withdrawl
Definition
benzos (loraz, diaz)
Term
what is Wernicke's triad?
Definition
confusion, ataxia, ophthalmoplegia
Term
mech of disulfarm?
Definition
inhibit aldehyde dehydrogenase
Term
what drug can help with alcohol abuse in terms of "dry days" and "time to first drink?"
Definition
naltrexone
Term
much of acamprosate?
Definition
NMDA med interference w/ glu?
Term
hi conc of THCR
Definition
BG, hippo, cerebellum
Term
why is cannabis a "safe" drug?
Definition
minimal THCR in the brainstem
Term
tolerance of cannabis?
Definition
mild, if at all
Term
rx for cannabis?
Definition
none
Term
CNS vs NMJ effects of nicotine?
Definition
stim vs relax
Term
what produces the reinforcement effect of nicotine?
Definition
mesolimbic DA path
Term
how does Bupropion help in nicotine cessation?
Definition
"fills up DA"
Term
why does amphetamine have a greater amount of accumulation of synaptic NT than cocaine?
Definition
it is a releaser as well
Term
what mediates amphetamines releasing potential?
Definition
presyn Ca channels
Term
what mediates reward behavior for the stimulant drugs?
Definition
mesolimbic DA path (VTA-->NA)
Term
what is analepsia?
Definition
dec fatigue/inc alertness
Term
what happens to cocaine in the plasma?
Definition
readily metabolized by plasma/liver enzymes
Term
bioactive product of cocaine met?
Definition
norcocaine
Term
excretion of cocaine?
Definition
unchanged in urine (1%)
Term
what happens when you drink and snort?
Definition
coc-ethylene --> longer hl
Term
why does cocaine tend to accumulate in the fetus?
Definition
low pH of fetal blood and weak esterases
Term
what does cocaine do to fetal blood flow?
Definition
dec flow to placenta
Term
overdose rx for cocaine?
Definition
propranolol, diazepam, Ca-channel blockers
Term
acute withdrawl rx for cocaine?
Definition
bromocriptine (DA ag), diazepam
Term
long term/addiction rx for cocaine?
Definition
AD
Term
what happens to amphetamines at nerve terminals?
Definition
beta-hydroxylation
Term
amphetamines in the urine?
Definition
3% unchanged
Term
do amphetamines have bioactive metabolites?
Definition
yes
Term
what can degenerate with long term amphetamine use?
Definition
caudate (DAergic terminal)
Term
what does meth do to the brain (structure)
Definition
degen of caudate and frontal cortex (DA), hippocampus (5HT), cell bodies intact, terminals out
Term
CNS tox of MDMA?
Definition
dorsal raphe/cortical 5HT degeneration
Term
what are serotonin like hallucs?
Definition
LSD, psilo, DET, DMT
Term
what are catecholamine like hallucs?
Definition
mescaline, MDMA
Term
how do we know that most of the action of the hallucs are frontal cortical?
Definition
they are not self-administer to aminals
Term
hl of LSD?
Definition
3h
Term
duration of effects of LSD?
Definition
12h!
Term
which receptor seems to be the key in LSD?
Definition
5HT2A
Term
tolerance of LSD?
Definition
rapid
Term
cross tolerance with LSD?
Definition
mescaline, psilocybin
Term
dependence with LSD?
Definition
no
Term
LSD acute panic rx?
Definition
barb/benzo
Term
hl of PCP?
Definition
3d
Term
does PCP cross the placenta?
Definition
yep
Term
PCP mech?
Definition
NMDAR antago, 5HT/DA/NE RI
Term
tolerance with PCP
Definition
yep
Term
withdrawl with PCP
Definition
yep
Term
rx for PCP tox
Definition
gastric lavage, acid urine, diaz, antipsychotics PRN
Term
opiate receptor of abuse
Definition
mu
Term
what is speedball
Definition
cocaine + heroin iv
Term
major elim of opiates?
Definition
hep met (gluc)/ren excret
Term
anatomical mech of opiods
Definition
inc firing rate of VTA DAergics and LC NAergics
Term
effects of opiods that develope tolerane
Definition
euphoria, analgesia, etc
Term
no tolerance to these effects of opiods
Definition
miosis, constipation, convulsions
Term
opiod OD rx
Definition
regular naloxone, or naltrexone
Term
controlled withdrawl from opiods rx
Definition
methadone, clonidine
Term
new withdrawl drugs for opiods
Definition
LAMM, buprenorphine
Term
mech of LAMM
Definition
long acting opiod agonist
Term
mech of buprenorphine
Definition
partial mu agonist with long doa
Term
mech of opiodR
Definition
inhibit adenylyl cyclase via Gprot
Term
effect of opiodR on neuronal activity?
Definition
inhibit via inc K or dec Ca
Term
opiod with greatly enhanced efficacy?
Definition
fentanyl
Term
opiod with dec abuse potential
Definition
pentazocine
Term
opiod with long doa and inc oral availability
Definition
methadone
Term
opiods and the first pass effect...
Definition
most of them are broken down significantly
Term
opiods with good oral bioavailability
Definition
methadone, oxycodone, leverphanol
Term
how does morphine produce respiritory depression?
Definition
dimished response of medulla to inc in pCO2
Term
effects of morphine at the EWN
Definition
miosis (PPP)
Term
effect of morphine on GI tract/urinary sys
Definition
retention, slowing
Term
triad of narcotic overdose?
Definition
coma, resp depress, PPP
Term
what is hydromorphine?
Definition
morphinex10
Term
why is meperidine good for OB?
Definition
it doesn't depress neonatal resp as much as equianalgesic doses of morphine
Term
fentanyl vs morphine
Definition
80x potency, shorter resp depress
Term
how does codeine supress cough?
Definition
at the medulla
Term
why is pentazocine less abused than morphine?
Definition
antag/partial ag MOR as dose is elevated
Term
tolerance/withdrawl with pentazocine?
Definition
yep
Term
mech of butorphanol
Definition
KOR ag and MOR partag
Term
mech of nalbuphine
Definition
KOR ag and MOR antag
Supporting users have an ad free experience!