Todd Started Drinking Caffeinated Coffee Every Night to Stay Awake

question 36

Multiple Choice

Todd started drinking caffeinated coffee every night to stay awake to study for finals.On Sunday evening,Todd was able to stay awake after drinking one cup of coffee.By Thursday evening,Todd found that he needed to drink two cups of the coffee to get the same effect.Why is this so?

• A)Todd must have used caffeine in combination with a second drug on Sunday evening.
• B)One of the two cups on Thursday night must have been a placebo.
• C)Todd has developed a tolerance to low doses of caffeine.
• D)Todd has become dependent on caffeine.

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Definitions:

Tariff

A tax imposed by a government on goods and services imported from other countries to raise state revenue or protect domestic industries.

Imported Steel

Steel that is produced in one country and then brought into another country for use in manufacturing or construction.

Quantity

The amount or number of a material or immaterial good considered as a unit or an aggregate.

Price

The amount of money needed to buy a particular good, service, or resource.