1.4 sick lungs Flashcards

pages 22 - 25

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1
Q

are all lung diseases treatable?

A

no, some aren’t

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2
Q

is asthma chronic or short terms?

A

chronic

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3
Q

does asthma have a genetic factor?

A

yes it does, your chances of developing asthma increas if other family members have it

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4
Q

what happenes during an astma attack? and what does it cause?

A

the tiny muscles around the smallest bronchioles contract, and more mucus is produced (then usual). it causes the bronchioles to become narrower so less air can travel to the alveoli.

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5
Q

what is the result of an asthma attack?

A

a shortage of oxygen

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6
Q

are asthma attacks sudden or in a pattern? and between them, does the person have breathing problems?

A

astma attacks are sudden, and etween them a person has no breathing problems.

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7
Q

what triggers an asthma attack?

A

it can often me allergies, pollen, dust and smoke.

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8
Q

what helps during an asthma attack?

A

medications that help the symptoms go away. they relax the tiny muscles and must be inhaled my an inhaler.

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9
Q

what is the definition of asthma?

A

a chronic inflammation of the airways.

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10
Q

what is COPD?

A

a group of similar lung diseases that have similar symptoms and causes

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11
Q

what does COPD stand for?

A

Chronic Obstructive Pulmonary Disease

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12
Q

what are two diseases that belong to COPD?

A

bronchitis and emphysema

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13
Q

what is bronchitis ?

A

an infection of the bronchi that starts with irritation and swelling of the mucus lining.

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14
Q

what causes bronchitis?

A

smoking and pneumonia (דלקת ריאות)

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15
Q

what do people with bronchitis often do and why, also why is it bad?

A

cough, to clear their airway of axcess mucus. it is bad because it harms the ciliated cells .

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16
Q

what is emphysema?

A

a disease in which the alveoli are destroyed, therefore lungs are less effective, lose their flexibility, and less oxygen can flow to the blood from the alveoli

17
Q

what do people with emphysema often have too? and why?

A

heart problems, ecause the heart has to work extra hard.

18
Q

what does emphysema cause? what is it?

A

firossis which is the forming of scar tissue on the lining of the lungs

19
Q

is emphysema treatable?

A

no. it is untreatale

20
Q

main difference between COPD and asthma?

A

COPD is caused y smoking while asthma is caused by genetic factors. (mainely)

21
Q

why is smoking bad for your lungs?

A

-it burns the ciliated cells in the lining of ur airways

  • it builds up a sticky layer inside your alveoli, thus oxygen and carbon dioxide can’t diffuse from the alveoli into the blood.

-less oxygen can reach your blood cells because carbon monoxide is better at binding to the blood cells

22
Q

what happenes because of the sticky layer inside your alveoli caused by smoking?

A

oxygen can’t diffuse from your alveoli to your blood and carbon dioxide can’t diffuse from your blood to your alveoli

23
Q

what by-product does the combustion in cigarette produce? and what is the result, and why?

A

carbon monoxide. the result is that less oxygen reaches your cells, because carbon monoxide is better at binding to blood cells then oxygen.

24
Q

how many types of cancer does smoking cause?

A
  1. (not only lung cancer!) (
25
Q

what is hay fever?

A

an over - sensitive reaction of your body’s defense mechanisms

26
Q

what can be an extra trigger for an asthma attack?

A

hay fever

27
Q

what are the symptoms of hay fever?

A

mucus producing cells in the lining of the nasal cavity to produce more mucus then usual. eyes might get teary and itchy.

28
Q

can you use medicine to supress the symptoms of hay fever?

A

sometimes

29
Q

what happens when the ciliated cells are damaged?

A

they cannot move dirty mucus out of the lungs effectively, and therefore harmful substances from smoke can build up in the airways.

30
Q

what is oesophagus?

A

food pipe

31
Q

what is the nasal cavity?

A

area behind and above the nose

32
Q

pharynx

A

part of the throat behind the oral and nasal cavity

33
Q

where is the larynx?

A

in the throat

34
Q

what are the cilliated cells?

A

hair shaped cells that sweep mucus to your pharynx

35
Q

what is the epiglottis?

A

a thin plate of flexible cartilage in front of the windpipe that folds back over and closes the windpipe when you swallow