chapter 8 (test 2)

Question 1

sleep and driving

Answer 1

• drowsy-driving kills or seriously injures twice as many each year as drug use
• 1/3 the number of people killed by drunk-driving
• causes 1/5 of all accidents on major accidents

Question 2

caffeine biological effects

Answer 2

• cns stimulant

- blocks effects of adenosine

Question 3

average consumption of caffeine

Answer 3

300 mg per day and 2 grams per week

Question 4

caffeine physiological effects

Answer 4

• improved reaction time
• increased blood pressure, heart rate, body temperature
• longer sleep latency, reduced sleep duration, and suppression SWS