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Health Science CSET Review > Tobacco > Flashcards

Flashcards in Tobacco Deck (14)
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1

Nicotine

Poisonous if concentrated.
90% absorbed through inhalation.
Stimulates cerebral cortex.
Enhances mood and alertness, but in large doses can be sedative.
Triggers adrenaline production, ++ BP and HR
Appetite suppressant and dulls taste buds
Prevents creation of urine
FDA classified as dangerous and addictive
Heart and respiratory disease

2

Respiratory disease

Breathlessness, cough and phlegm
COPD - bronchitis and emphysema
Inability to inhale air - destroys air sacs and strains heart
Bronchial tubes narrowed and inflamed, mucus increased

3

Cancer

Lung
mouth
pharynx
larynx
esophagus
pancreas
bladder

4

Second hand smoke and risk to families

Increased risk of serious health problems
3 hour a day exposure 3 x risk for cancer
Contributes to asthma and bronchitis
increased risk of SIDS
Lung cancer, heart disease, stroke
children hate it

5

Other carcinogens

Asbestos, dark hair dye, nickel, PVC (poly vinyl chloride)

6

Tar and carbon monoxide

Tar = several hundred chemicals, poisonous and carcinogenic
Settles in bronchial tubes, damages mucus and cilia
Smoke is 400 times safe level
Carbon monoxide prevents blood from carrying oxygen,
impairs CNS, responsible for heart attacks and strokes

7

Stroke

Smoking doubles risk of stroke.
HBP peeps have greatest benefit from quitting
Weakens heart muscle, difficult to clear blockage

8

Heart disease

Leading cause of smoking-related death
More damaging than high cholesterol or BP

9

Cardiomyopathy

Weakened heart muscle

10

Addictive qualities of nicotine

Improved memory
Feelings of satisfaction/well being
pain tolerance
performance of repetitive tasks
reduced hunger and anxiety
Depression is a trigger to smoking (i.e. Mom's death)

11

Other problems

Miss 1/3 more workdays

Gum disease and lost teeth
mouth and stomach ulcer
cirrhosis of the liver
allergies
diabetes
hypertension
impotence if more than 10 a day

12

Secondhand smoke composition

Twice the tar and nicotine
FIVE times the carbon monoxide
3000 people a year lung cancer
more dangerous than radon or fed regulated pollutants

13

Quitting strategies

Support group
nicotine patches (6-16 weeks)
nicotine gum (expensive)
hypnosis
acupuncture

14

Smokeless tobacco

chewing
snuff
both have health effects: cancer, bad breath, teeth, gum disease