02-11-2016, 09:20 AM
1463206620-Chapter20TobaccoPowerPoint.ppt (Size: 105.5 KB / Downloads: 46)
What’s in a Cigarette?
Nicotine- can cause physical or psychological dependence; is the addictive drug in tobacco leaves
Nicotine is classified as a stimulant, which can increase the action of the CNS.
Carcinogens- cancer-causing substance
Tar- thick, sticky, dark fluid produced when tobacco burns
Carbon monoxide- colorless, odorless, and poisonous gas; can be absorbed more easily than oxygen
Short-term effects of smoking
Respiratory System
Harmful particles settle in air passages, causes coughing, shortness of breath
Peripheral Nervous System
Decreases the response level of some reflexes
Endocrine System
Decreases the levels of the hormone involved in preventing blood clotting
Decreases release of fluid from pancreas, increase the levels of sugar in blood
Cardiovascular System
Increase in heart rate and blood pressure, increase in volume of blood pumped per beat, increase force of heart contractions, narrows blood vessels in skin, narrows veins
Central Nervous System (CNS)
Changes brain wave patterns (addiction, withdrawal)
Long-term effects of smoking
Chronic bronchitis is repeated tobacco use that causes damage to the cilia in the bronchi.
Emphysema destroys the air sacs within the lungs. The air sacs become less elastic and make it difficult to breath.
Lung Cancer
Coronary heart disease and stroke; decrease circulation
Preventing Tobacco Use
Choose friends that do not use tobacco
Avoid situations in which tobacco is being used (think back to ‘saying no’)
Practice and use refusal skills
Risks for smokers and non-smokers
Environmental tobacco smoke (secondhand smoke)
Mainstream smoke is the smoke exhaled from the lungs of the smoker
Side-stream smoke is the smoke from the burning end of a cigarette
Smokeless Tobacco
Tobacco that can be taken into the body through the nose or mouth.
Smokeless tobacco can produce chemicals that can be absorbed into the body 3x’s faster than a cigarette
Leukoplakia- thick, white, leathery-looking spots in the mouth that can develop into oral cancer
Nicotine Substitutes
Manufactured forms of nicotine that deliver small amounts of the drug into the system
Less use of the substitute is needed over time
Nicotine substitutes comes in many forms: gum, patch, nasal spray, prescription pill.
Without a substitute a smoker may go through withdrawal.
List the symptoms of withdrawal
Tips to Quit
Set a date to quit and stick with it
Throw all the tobacco products away
Decide on the approach you will take to quit
Set short-term and long-term goals
Set up a support system
Reward yourself
Benefits of Quitting
Improved cardio- respiratory endurance
Breathe easier
Reduce the chance of cancer, heart disease, or stroke
Freedom from addiction
Save money
Changes in the body after quitting
Heart rate returns to normal
Carbon monoxide levels in blood return to normal
Lung function begins to improve
Coughing and shortness of breath begin to decrease
Risks of cancer and COPD decrease