Caffeine's primary action is .
A) contraction of the heart
B) stimulation of CNS activity
C) elevation of basal metabolism
D) a stimulating effect on respiration
Correct Answer:
Verified
Q19: The half-life of caffeine in the blood
Q20: Europeans first began using caffeine in .
A)the
Q21: How does caffeine affect human task performance?
A)It
Q22: What proportion of 12-year-old children regularly consume
Q23: What were the results of Lowe's 1988
Q25: Physical dependence to caffeine can develop .
A)almost
Q26: According to the study conducted by Marks
Q27: The lethal dose of caffeine for adults
Q28: The effects of caffeine are caused by
Q29: The explanation for caffeine's acute effects that
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