Europeans first began using caffeine in .
A) the Stone Age
B) 200 B.C.
C) the late 15th and early 16th centuries
D) the 19th century
Correct Answer:
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Q18: Which of the following correctly lists the
Q19: The half-life of caffeine in the blood
Q21: How does caffeine affect human task performance?
A)It
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Q23: What were the results of Lowe's 1988
Q24: Caffeine's primary action is .
A)contraction of the
Q25: Physical dependence to caffeine can develop .
A)almost
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