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Which of the following is NOT considered one of the three xanthines?


A) Caffeine
B) Carotene
C) Theophylline
D) Theobromine

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Describe the Caffeine Withdrawal Disorder listed in the DSM-5. A. Prolonged daily use of caffeine B. Abrupt cessation of or reduction in caffeine use, followed within 24 hours by three or more of the following signs or symptoms: 1. Headache 2. Marked fatigue or drowsiness. 3. Dysphoric mood, depressed mood or irritability. 4. Difficulty concentrating. 5. Flu-like symptoms (nausea, vomiting, or muscle pain/stiffness). C. The signs or symptoms in Criterion B cause clinically significant distress or impairment in social, occupational, or other important areas of functioning. D. The signs or symptoms are not associated with the physiological effects of another medical condition (e.g., migraine, viral illness) and are not better explained by another mental disorder, including intoxication or withdrawal from another substance.

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Diagnostic Criteria
A. Prolonged daily u...

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Why are green coffee beans roasted?

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Green coffee beans a...

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A typical cup of brewed tea contains just under half as much caffeine as a typical cup of brewed coffee.

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Consuming more than how many milligrams of caffeine per day is believed to reduce a woman's chance of becoming pregnant?


A) More than 150 milligrams
B) More than 200 milligrams
C) More than 250 milligrams
D) More than 300 milligrams

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Low doses of caffeine (100 milligrams) are associated with increased activity in brain areas that support all the following EXCEPT:


A) Memory
B) Concentration
C) Attention
D) Narcolepsy

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What is the consequence of drinking 5 or more cups of coffee per day?


A) Actually reduces the rate of heart attacks
B) Slightly increases the risk of a heart attack
C) More than doubles the risk of a heart attack
D) Increases heart attack risk only in smokers

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What are three possible ways in which caffeine use by a woman might interfere with reproduction?

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Studies on humans have not found a relat...

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In which region of the world does the first documented existence of tea exist?


A) China
B) East India
C) England
D) Japan

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According to Statistics Canada (2009) , which province in Canada consumed the highest amount of coffee per person?


A) British Columbia
B) Manitoba
C) Ontario
D) Quebec

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When Coca-Cola was touted as the new and popular fountain drink, apart from the famous cola nut ingredient, what else was contained in its liquid?


A) Alcohol
B) Cocaine
C) Heroine
D) Opium

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Who kept the process of preparing chocolate from the cacao bean a secret until the 17th century?


A) Mexicans
B) Spanish
C) Peruvians
D) Colombians

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How does caffeine work in the brain?


A) By stimulating dopamine release
B) By interfering with glutamate release
C) By blocking serotonin receptors
D) By blocking adenosine receptors

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What is the most consistent withdrawal symptom after chronic caffeine use?


A) Headache
B) Drowsiness
C) Nervousness
D) Inability to sleep

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Why did the FDA in 1909, seize some Coca-Cola syrup and file charges against the Coca-Cola company?


A) The syrup contained cocaine
B) The syrup formula was a secret
C) They discovered toxins in kola nuts
D) The syrup contained caffeine

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After drinking coffee, when is the maximum CNS effect of caffeine reached?


A) 15 minutes
B) 30 minutes
C) 2 hours
D) 4 hours

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A study by Mark Ashbridge of Dalhousie University in 2013 found that Ontario youth (Grades 7 through 12) were the most frequent Canadian youth to mix energy drinks with alcohol.

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What results were demonstrated when the military tested caffeinated gum on their soldiers sleep deprived soldiers?

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The military tested the sleep deprived b...

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What are the current FDA rules on "cola" drinks?


A) They must contain at least 50 mg of caffeine.
B) The label must state how much caffeine is included.
C) They cannot contain more than 6 mg caffeine per ounce.
D) They must all contain exactly 44 mg caffeine per 12 oz.

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What is one important determinant of the behavioural effects of caffeine?


A) Whether it is consumed in a pill or as coffee
B) Whether the person is a regular user
C) Whether the temperature of the beverage is hot or cold
D) The acidity level of the coffee

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