Caffeine's effects on arousal and cognitive performance are mediated by
A) increasing glutamate activity in the cortex by adenosine blockade.
B) blocking GABAᴀ receptors.
C) increasing 5-HT activity in the raphe nucleus.
D) modulating descending neurons from the pontine reticular formation.
Correct Answer:
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Q25: A major difference between immunotherapy for nicotine
Q26: After caffeine is absorbed, it is
A) metabolized
Q27: Caffeine relieves headache pain by
A) constricting cerebral
Q28: Caffeine is considered an ergogenic drug because
Q29: Which of the following best describes caffeine's
Q30: Caffeinism is
A) severe withdrawals associated with disuse
Q31: Adenosine is a
A) byproduct of cellular activity.
B)
Q32: The _ and _ adenosine receptor subtypes
Q34: Tolerance to caffeine is believed to be
Q35: Long-term use of caffeine is associated with
A)
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