caffeine quiz

Question 1

caffeine is one of three naturally occuring compounds known as the

Answer 1

methylxanthines

Question 2

what is most commonly reported withdrawal symptoms of caffeine

Answer 2

headache and fatigue

Question 3

which organ does 99% of caf metabolism

Answer 3

liver

Question 4

research has indicated that little tolerance develops to _____ effects of caffeine

Answer 4

stimulant

Question 5

What is adenosine

Answer 5

an inhibitory neurotransmitter involved in sleep and wake

high adenosine sleepy
low = awake

Question 6

how long is caf WD

Answer 6

one week

Question 7

what % of world regularly consumes caffeine

Answer 7

90%

Question 8

tea contains ____ in addition to caffeine

Answer 8

theophyline

Question 9

what region of canada has the highest coffee consumption

Answer 9

quebec

Question 10

explain how caffeine acts on the brain

Answer 10

binds to adenosine receptors and prevents adenosine from binding and causing sleepiness

Question 11

acute caffeine intoxication occurs at ___mg of caffeine . The symptoms are _____ l

Answer 11

600mg,

lightheaded,tremulous, breathless, headache, HR

Question 12

t/f In dose of caffeine consumed, young children
have the highest exposure to caffeine, after
adults aged 18 and older T/F

Answer 12

T When body weight is taken into account,

children aged 1 to 5 have the highest caffeine exposure after adults

Question 13

t/f Caffeine is a drug that, when consumed, is distributed equally throughout the body.

Answer 13

T Because caffeine is equally distributed in
total body water, it has similar concentrations
throughout the body

Question 14

t/f So many people use coffee and tea without
apparent difficulty that people obviously do not
become physically dependent on caffeine.

Answer 14

F Caffeine withdrawal syndrome has been

clearly identified.