effects of lifestyle and environment on GE Flashcards
(11 cards)
wha is the cause of emphysema?
long term exposure to irritating particles in the air taken into the lungs e.g smokers
what effect does emphysema have on body?
causes damage to alveoli
lose their elasticity, often replaces with fibrous tissue, may break down reducing internal surface area of lung/gas exchange
-difficulty on breathing
what treatment is there for emphysema?
none
what is the cause of lung cancer?
tumour
exposure to asbestos fibers and other pollutants/tobacco smoking
what effect does lung cancer have on body?
excessive production of mucus because cells divide more rapidly and the accumulating mucus can’t be removed
treatments for lung cancer?
chemo
radiation
surgery
what is the cause of lung infection?
bacteria, fungus, virus
what is the effect on the body from lung infection?
causes secretion of fluid and mucus into the alveoli, thus reducing amount of air that they can contain
SA reduced
what is the cause for asthma?
medical condition that causes difficulty breathing due to narrowing of airways
occurs due to smooth muscle contracting
inflammation causing the lining of the airways to thicken
mucus filling airway
what is asthmas effect on the body?
muscles go into spasm that surround bronchioles causing airways to narrow
treatment for asthma?
inhaler, relaxes and smooth muscles
steroids