How Does Caffeine Work

question 26

Multiple Choice

How does caffeine work?

• A) increases the amount of neurotransmitter at a synapse
• B) interferes with or decreases the action of a neurotransmitter
• C) replace or mimic a neurotransmitter
• D) replace or mimic a neuromodulator
• E) promote the action of a neurotransmitter

---

Definitions:

Economic Profit

The difference between a firm's total revenue and its total costs, including both the explicit and implicit costs, representing the financial gain exceeding the opportunity costs.

Total Revenue

The gross income of a company, which is the sum of money generated from its goods or services sold before deducting any costs.

Annual Salary

The total amount of money earned by an employee in a year from their job before taxes and other deductions.

Production

The process that transforms scarce resources into useful goods and services.