The Science of Caffeine
Refer to the video and answer the following questions. Be mindful that the "safe" limits of caffeine depends on each individual  and can vary from 100 mg to the 400 mg per day that is cited in the video as the safest level. It will depend on age, tolerance and body mass. For details refer to the U,S, (FDA) publication: http://chemconnections.org/general/chem106/Tech%20Prep/FDA-caffeine.pdf, and the European report: http://chemconnections.org/general/chem106/Tech%20Prep/EFSA-caffeine.pdf
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Name: Last, First *
DVC id *
Lab Section *
e-mail address *
Caffeine resembles the structure of adenosine, which results in producing an increase in the neurotransmitter ______________________ . *
Fill in the blank.
Caffeine is metabolized in the liver to produce 3 different metabolites. *
Select the three metabolites from the following list.
Required
Check the box that matches the molecules with their main physiological affect *
theobromine
paraxanthine
caffeine
theophylline
heightens brain activity
increases flow of oxygen and nutrients to the brain
increases heart rate and ability to concentrate
increases athletic performance
The video places an upper safe limit on daily caffeine consumption, which is equivalent to: *
Check the boxes for the amounts that are the same as those seen in the video for safe limits.
Required
Compare the values in the above question to those from the caffeine calculator: http://www.coca-cola.co.uk/stories/caffeine-counter *
Indicate if the values from the calculator are respectively the same, or higher, or lower than the question's values. If they differ, how far apart are they, and what might be the reason for differences?
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