While Studying for Exams, Sara Starts Drinking Sodas with Caffeine

question 309

Multiple Choice

While studying for exams, Sara starts drinking sodas with caffeine in them in order to better stay awake. After continuing this practice for several months, Sara notices that she needs to consume more caffeine to achieve the same effect. This decrease in her response to caffeine is best viewed as an example of

• A)withdrawal
• B)tolerance
• C)the placebo effect
• D)homeostasis

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