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54 Cards in this Set

  • Front
  • Back
what is the world's most commonly used drug for it's psychoactive effects?
caffiene
____% of the world's population consumes something containing caffiene every day
80
how many mg of caffiene do canadians each comsume on avg in a day?
210mg
how many mg of caffiene do americans each consume in a day?
240mg
how many mg of caffiene do swed's each consume in a day?
425mg
how many mg of caffiene do brit's each consume in a day?
450mg
the common cup of coffee contains about ___ mg of caffiene.
100mg
the common cup of tea contains about ____ mg of caffiene.
50mg
what is the chemical name for caffiene?
1,3,7-trimethylxanthine
the ocaffiene content of guarana beans is ____ that of coffee beans.
twice
_____ is considered to be the earliest beverage made for the psychoactive effects of caffiene.
tea
when and where was the earliest mention of tea?
China in 2737BC or you can say appro 3000BC
the cheif species used in North American tea is _________.
camellia sinensis
Theophylline is _________ to caffiene as a stimulant.
equipotent
green teas contain ________ that may help prevent heart disease and some forms of cancer.
polyphenols
were there sporadic attempts to ban coffee?
yes
what was a popular nickname for coffee houses?
penny universities
pure caffiene is sold in some medicines as an __________ pill
antisleep pill
No Doz has ____ mg of caffiene
Vivarin has ______ mg of caffiene
no doz has 100mg
vivarin has 200mg
what are the chewing caffiene gums ?
stay alert, jolt gum, and black black
do cocao pods have caffiene?
yes
what is thought to be the start of the association of chocolate with romance?
spanish princesses would give the king Louis chocolate as betrothal gifts
theobromine is present in chocolate and cocoa powder etc, but how powerful is it compared to caffiene?
one tenth as powerful
what colour is pure caffiene?
white powder
what does pure caffiene taste like?
bitter
significant blood levels of caffiene are reached with __-___ mins of consumption, with peak blood concentration in ____.
30-60 mins and 1 hour
peak CNS effect of caffiene after about ___ hours
2
what is the half life of caffiene?
5 hours
how fast do smokers metabolize caffiene compared to non-smokers?
twice as fast
what two things slow down caffiene metabolism?
prenancy and contraceptives
caffiene and other methylxianthines are competitive antagonists at ________ receptors in the PNS and the CNS.
adensosine
what does adenosine do?
it reduces the release of many neurotrasmitters and can cause sleepiness, dilation of blood vessels, constiriction of bronchial passageways and reduces the body's reaction to stress.
does caffiene bloack adenosine from getting to receptors?
yes
what are some common effects of caffiene?
elevation of subjective mood
increased mental awareness which is good for reaction times
increased wakenfulness and restlesness
what are some of the "other" effects of caffiene, the less common ones.
decreased appetite
decreases sleep quality
heartburn
inhibits absorption of calcium
does caffiene counteract the effects of alcohol?
no
does caffiene cause heart disease?
no
what is the lethal dose of caffiene?
200mg/kg
for a 120lb person how many cups of coffee would it take to overdose?
150 cups to be lethal
does caffiene produce a disriminable cue?
yes
is there such thing as caffiene state dependant learning in humans?
yes
what is caffienism?
consumption of caffiene over 250mg (2-3 cups) and 5 or more of the signs: nervousness,excitement, insomnia, flushed face, gastrointestinal disturbance, muscle twitching, rambling...
what are some withdrawal symptons to caffiene?
fatigue, disinclination to work, mental depression and headache
how long does it take for withdrawal sympton sto peak?
24-48 hours
how long does it take caffiene withdrawal symptoms to go away?
about a week
is there evidence that caffiene may reduce fertility in women?
yes
women who drink ___ cups of caffoee a day have decreased fertiltiy.
3
caffiene blocks adenosine receptors, in infants what can this cause?
SIDS, because there are more adenosine receptors created.
what is Arecoline?
used like caffiene, its the fruit of the betel palm (nuts)
hwo big are betel nuts?
small hen egg
what are the other names for betel nut chews?
pan masala, paan, betel quid
can there be physical dependance with betel nut? what about withdrawal?
yes and yes
Arecoline is the ____ most used drug in the world after caffiene. alcohol, and tobacco
fouth most used
what can arecoling cause?
trans like states or delerium effects