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. doubles the risk of a heart attack.
D. increases heart attack risk only in smokers.
Question 2
Often people who drink too much alcohol attempt to sober up by drinking coffee. Several studies support the idea that caffeine
A. blocks alcohol's effect at GABA receptors.
B. lowers BAC by increasing urine output.
C. improves coordination and speed of reaction after drinking alcohol.
D. is likely to lead to increased arousal, but the drinker is still impaired.
