L5: Breathing issues Flashcards
How does asthma make it difficult to breathe?
the muscles tighten in the bronchioles, the lining becomes swollen and excess mucus is produced
what is asthma?
a disease, a condition of the breathing system
how many people does asthma affect worldwide?
over 300 000
how many people die from asthma annually?
250 000
can you name three triggers of asthma?
pollen, pets, chest infections
can you describe two symptoms that are signs a person may be suffering from an asthma attack?
coughing that won’t stop, chest tightness
what happens to the diameter of a person’s airways when they suffer of an asthma attack and why?
they are reduced because the lining swells up during an asthma attack
how can a person relieve the symptoms of an asthma attack?
needs to reduce swelling of their bronchi, can be done by taking drug ‘bronchodilator’ (through inhaler)
what do we call the medicine which can help with an asthma attack?
bronchodilator and/or corticosteroids
how does a bronchodilator work?
eases swelling in someone’s airways, diameter of airway increases, allowing to breathe in more air
how does a corticosteroid work?
helps prevent asthma attacks form starting
what are cigarettes made from?
tobacco leaves
what happens when tobacco is inhaled?
quickly enters the bloodstream and has a stimulating effect on the nervous system
are cigarettes the only form of tobacco?
no
can you name any other forms of tobacco?
shish, chewing tobacco, dissolvable tobacco, pipe