Drugs & Behavior (Chapter 8)

One effect of caffeine use is mood elevation. (T/F)

True

Withdrawal from caffeine lasts about __________.

1 Week

Peak levels of caffeine after taking a dose occur in __________.

15 - 45 Minutes

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

250

Physical dependence to caffeine can develop __________.

3 days after consecutive use.

The half-life of caffeine in the blood ranges from ____________.

3 to 7 hours.

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

75

Which of the following is notable for being a "cradle to grave" drug? A. Caffeine B. Alcohol C. Nicotine D. All of these are correct.

A. Caffeine

Which of the following is used most frequently in medications? A. Caffeine B. Theophylline C. Theobromine D. All are used equally

A. Caffeine

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

Adenosine

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

Adenosine

Cocoa is primarily produced in __________.

Africa

Individuals who suffer from ___________ should be careful when using caffeine.

Anxiety

The diuretic effects of caffeine have led to its use in what type of medication?

Appetite Suppressants.

Which of the following contains the highest concentration of caffeine? A. Brewed Tea B. Brewed Coffee C. Coca-Cola D. Red Bull

B. Brewed Coffee

A person who is sensitive to the effects of caffeine would be advised to take which of the following medications for a sinus headache? A. Anacin B. Tylenol C. Vanquish D. Excedrin

B. Tylenol

Which of the following correctly lists the methylxanthines in order from least to most active as a CNS stimulant? A. Caffeine, Theophylline, Theobromine B. Caffeine , Theobromine, Theophylline C. Theobromine, Theophylline, Caffeine D. Theophylline, Theobromine, Caffeine

C. Theobromine, Theophylline, Caffeine

What type of caffeine did 16th century European explorers discover in Mexico?

Cacao

A medication intended to increase respiratory stimulation in premature infants would be most likely to include __________.

Caffeine

What were the results of Lowe's 1988 study on the effects of the combination of alcohol and caffeine on state-dependent learning?

Caffeine was mostly responsible for the state-dependence effect.

Caffeine has been used in a variety of medications to produce __________.

Cerebral Stimulation and Diuresis Only

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?

Cola

Coffee consumption may help prevent __________. A. Liver Disease B. Type 2 Diabetes Mellitus C. Parkinson's Disease D. All of the Above E. None of the Above

D. All of the Above

Which of the following does not slow the process of caffeine metabolism and excretion? A. Pregnancy B. Use of Oral Contraceptives C. Liver Disease D. Cigarette Smoking

D. Cigarette Smoking

Which of the following would a person not be likely to feel after drinking a couple cups of coffee? A. Confident B. Efficient C. Creative D. Mellow

D. Mellow

How does caffeine affect eye-hand coordination?

Decreases it.

___________ has the highest per capita consumption of cocoa.

Denmark

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

Depends on the dosage.

Caffeine-producing plants are indigenous to __________. A. South America B. North America C. West Africa D. China E. All of these are correct.

E. All of these are correct.

Recent research has indicated that frequent coffee drinkers have a greater risk of dying from ______. A. Stroke B. Heart disease C. Infections D. All of these are correct. E. None of these are correct.

E. None of these are correct.

Research has associated chronic caffeine use with __________.

Elevated serum cholesterol level.

Caffeine metabolism and excretion is slower in people who have used caffeine over a longer period of time. (T/F)

False

Combining Red Bull and alcohol reduces the harmful effects of alcohol on motor performance. (T/F)

False

European explorers in the 15th century were responsible for the introduction of caffeine into North America. (T/F)

False

Instant coffee contains more caffeine per serving than brewed coffee. (T/F)

False

Physical dependence on caffeine has not been demonstrated. (T/F)

False

Switzerland has the largest per capita consumption of cocoa in the world. (T/F)

False

Which of the following countries prefers to take its caffeine in tea?

Ireland

How does caffeine affect human task performance?

It increases performance in some areas and decreases it in others.

The __________ does most of the metabolizing of caffeine.

Liver

Caffeine is one of three naturally occurring compounds known as the __________.

Methylxanthines

What is the Federal Drug Administration's position on the use of caffeine by pregnant women?

Moderate doses of caffeine do not have negative effects on reproduction.

The United States' consumption of caffeine is __________ the world average.

More than twice.

Which popular soft drink contains the highest concentration of caffeine?

Mountain Dew

Residents of __________ are the world's top coffee consumers.

Netherlands

Which substance is contained in an alkaloid such as caffeine?

Nitrogen

After consumption, the concentration of caffeine is __________.

Similar throughout the body.

Caffeine's primary action is __________.

Stimulation of the CNS activity.

Europeans first began using caffeine in __________.

The late 15th and early 16th centuries.

Tea contains ________ as well as caffeine.

Theophylline

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. (T/F)

True

Consuming an excessive amount of caffeine can produce symptoms such as ringing in the ears and seeing flashes of light. (T/F)

True

Drinking coffee may prevent the development of dementia in some people. (T/F)

True

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

True

Street drugs such as cocaine and heroin often contain caffeine as filler. (T/F)

True