Caffeine Is an Effective Stimulant That Helps to Keep You

question 32

Multiple Choice

Caffeine is an effective stimulant that helps to keep you in an alert, waking state because

• A) it is a potent adenosine receptor antagonist
• B) it is a potent adenosine receptor agonist
• C) it stimulates glutamate release
• D) it blocks GABA receptors

---

Definitions:

Flynn Effect

Describes the observed rise in measured intelligence quotient (IQ) scores over time, suggesting a generational increase in abstract reasoning and problem-solving abilities.

Improved Nutrition

Enhancements in dietary intake that lead to better health outcomes and well-being.

Genetic Potential

The maximum possible development or performance level an organism can reach due to its genetic makeup, in the right environmental conditions.

Within-Group Variability

The measure of variation or dispersion of a set of features within a group.