What is caffeine's primary action?
A) contraction of the heart
B) stimulation of CNS activity
C) elevation of basal metabolism
D) stimulating effect on respiration
Correct Answer:
Verified
Q18: What is caffeine chemically related to?
A)alkaloid
B)theobromine
C)nicotine
D)opiate
Q19: When comparing countries of the world,which country's
Q20: You were exploring the world in the
Q21: Which is adenosine?
A)a neurotransmitter stimulated by caffeine
B)an
Q22: Which organ does most of the metabolizing
Q24: How is caffeine mainly excreted from the
Q25: What percentage of the world's population is
Q26: What type of inhibitor is caffeine,according to
Q27: After taking a dose of caffeine,when do
Q28: What does adenosine produce?
A)lowered heart rate
B)increased alertness
C)dilation
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