Exam 8: Caffeine

It is difficult to find good estimates of the prevalence of caffeine use because it is consumed in so many different forms.

Which of the following correctly lists the methylxanthines in order from least to most active as a CNS stimulant?

Caffeine metabolism and excretion is slower in people who have used caffeine over a longer period of time.

European explorers in the 15th century were responsible for the introduction of caffeine into North America.

The does most of the metabolizing of caffeine.

Individuals who suffer from should be careful when using caffeine.

According to the study conducted by Marks & Kelly, which of the following is most likely to still be at close to peak level 2 hours after consumption?

Which of the following contains the highest concentration of caffeine?

Switzerland has the largest per capita consumption of cocoa in the world.

Because of the infrequency of acute caffeine overexposure and the lack of adverse chronic effects of its use, caffeine is considered a relatively safe drug.

Estimates are that of the world's population regularly consumes products containing caffeine.

The explanation for caffeine's acute effects that is most accepted now is the hypothesis.

Symptoms of caffeinism have been shown to appear after mg of caffeine has been consumed.

The lethal dose of caffeine for adults is equivalent to cups of coffee.

The U.S.Food and Drug Administration strictly monitors the caffeine content of energy drinks.

Which substance is contained in an alkaloid such as caffeine?

To date, the use of energy drinks by children has not been associated with any serious adverse events.

Europeans first began using caffeine in .

How does caffeine affect the rapidity and accuracy of motor skills?

The effects of caffeine are caused by its blockage of receptors for which neurotransmitter?