nicotine and caffeine

Question 1

nicotine

Answer 1

main psychoactive component of tobacco

Question 2

secondhand smoke

Answer 2

Smoke exhaled from a smoker or smoke released from a burning tobacco product

Question 3

thirdhand smoke

Answer 3

Remnants from tobacco smoking gathered on material in the smoker’s local environment after smoking has finished

Question 4

first uses of tobacco

Answer 4

in peru to enter trancelike state

Question 5

what is the greatest cause of death from smoking

Answer 5

lung cancer

Question 6

flue curing

Answer 6

venting heat through a metal flue onto tobacco leaves making smoke less harsh to inhale (neutralizes pH)

Question 7

tar

Answer 7

particles released from burning tobacco

Question 8

most effective routes of nicotine admin

Answer 8

inhaled/ e-liquid vapour

Question 9

cotinine

Answer 9

active metabolite of nicotine

Question 10

nicotine mech of action

Answer 10

agonist for cholinergic receptors

• cotinine is weak agonist
• receptor enters desensitized state after activation
• functional antagonist because receptors stay closed longer than open
• increase dopamine levels in nucleus accumbens

Question 11

caffeine

Answer 11

member of xanthine chem class
- antagonist for adenosine receptors

Question 12

caffeine + alcohol

Answer 12

increases risk of alcohol poisoning since caffeine reduces intoxicating effects