Chapter 34- Tobacco Flashcards
Tobacco
True or False: Advice from health professionals has been shown to be a great influence on patients decisions to stop or not begin using tobacco.
TRUE
What are the health hazards of tobacco?
- Toxic to humans
- Life expectancy is shortened
- Women at the same risk as men (smokers or ETS, environmental tobacco smoking)
What is the single most preventable cause of death in the world?
tobacco
What percent of adults use some sort of tobacco?
25%
What drug is most addictive in tobacco?
Nicotine
Once tobacco is ignited, what does it put into the air?
Carcinogens (ETS)
True or False? Tobacco products contain 7,357 chemicals; over 90 of these are hazardous FDA.
True
What is the metabolism, of nicotine?
Occurs thru lungs, skin, oral, buccal, nasal mucosa, and GI tract
Nicotine enters the lungs quickly and passes into circulation by the blood vessels lining the what?
BRONCHI
Smoking: DISTRIBUTION
Nicotine is delivered to the brain by the bloodstream in less than 20 seconds
How many carcinogens are in smokeless tobacco?
28
Is nicotine directly absorbed through the gingiva and oral mucous membranes?
YES
True or False:
Once smokeless tobacco is placed in the mouth, the amount of nicotine absorbed is two to three times the amount delivered by a cigarette
TRUE
Do electronic cigarettes contain tobacco?
no, but they deliver vaporized nicotine
Has the FDA approved electronic cigarettes safety or effectiveness?
nope
Smoking and the development of atherosclerosis, is a major risk factor for what?
heart disease
What is the major cause of COPD, including emphysema and chronic bronchitis?
smoking
What percent of smoking is responsible for lung cancers in the U.S?
87%
Are those who smoke more likely to consume alcohol?
yes
Combining tobacco and alcohol can increase the risk for what?
neoplasms and other oral problems
true or false: Smoking is the primary cause of lung cancer
true
Cardiovascular effects:
- Both ETS and mainstream smoke have similar effects on cardiovascular system
- There is a relationship between second hand smoke and the risk of a stroke