Exam 11: Nicotine and Tobacco Use

Caffeine's effect on the urinary excretion of calcium increases the risk of __________.

The total xanthine content of a one-ounce piece of chocolate is roughly equivalent to __________.

There is an increase in heart rate and blood pressure well after seventy-two hours following an administration of caffeine..

The xanthine content in coffee includes __________.

Milk chocolate is made by combining __________.

_________ in young people is about one-half to two-thirds that of an adult.

The lowest dose of caffeine on record that has been fatal in an adult human is __________.

Strangely enough,xanthines act upon plants as a natural __________.

The DSM-IV-TR manual recognizes caffeinism-like symptoms under this term: __________.

Caffeine from a cup of coffee or tea is absorbed __________.

Xanthine-based medications are effective in treating asthma because __________.

Caffeine consumption in young people can aid in the treatment of __________.

The most striking cases in which caffeine improves performance are in tasks __________.

In a recent study of possible performance-enhancing effects among competitive cyclists,it was found that caffeine administration increased their performance during timed trials overall,but the effect was greater when the cyclists were (falsely)informed that they had not ingested it.

Coffea robusta beans have twice the amount of caffeine as coffea arabica beans.

Theophylline is a preferred antiasthma medication to caffeine because __________.

There is more caffeine in a five-ounce cup of tea then there is in a five-ounce cup of coffee.

Before the end of the nineteenth century,the Chinese traded their tea with the British in exchange for __________.

People who are engaged in boring,repetitive tasks find that caffeine improves their performance.

There is substantial evidence that physical dependence develops from chronic caffeine consumption.