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