After Drinking Several Cups of Strong Coffee, a Person Develops

question 6

Multiple Choice

After drinking several cups of strong coffee, a person develops "coffee nerves" or "jitters." This probably is due to the ability of caffeine to ________.

• A) block adenosine receptor sites
• B) cause neurotransmitters to leak out of the synaptic vesicles and be destroyed by enzymes
• C) cause an increase in the release of excitatory neurotransmitters
• D) inhibit enzymes which break down excitatory neurotransmitters

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Definitions:

Chi-square Distribution

A probability distribution that arises in statistics as the distribution of a sum of the squares of independent standard normal random variables.

P-value

In statistical hypothesis testing, it represents the probability of observing a test statistic as extreme as, or more extreme than, the value observed under the assumption that the null hypothesis is true.

Sample Data

Sample data refers to a subset of a population selected for measurement, observation, or questioning, to provide statistical analysis.

Matched Pairs

A study design where each subject is paired with a similar subject, or the same subject is tested under different conditions, to reduce variability in the data.