Chapter 11 Flashcards
What receptor are most adenosine at?
A1
how long does it take for caffeine to absorb into the brain?
30 mins
what product has mostly theophylline
Tea
Casement studies
12,000 people studies
what is the negative aspects of theophylline
most cardiac stimulation and coronary dilate.
How is coffee different from a stimulant?
It’s because it blocks adenosine (our natural drowsiness stimulation).
what product has theobromine?
chocolate
what product contains caffeine?
coffee
Vasodilation
caffeine does this, it is the dilation of blood vessels.
If caffeine related to birth defects?
Caffeine crosses the placenta barrier, but there are little birth defects.
where is adenosine found?
A lot of it is in the cortex and the A1 receptor.
List the three methylated xanthine
caffeine, theophylline and theobromine
what is paraxanthine
caffeine’s psychoactive metabolite
what is the theory on how caffeine is related to headache
caffeine constricts and dilates blood vessels and that can cause headache.
Caffeine is an Antagonist in _______ Systems
in Adenosine Systems
