Term
What does the pharynx do? |
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Definition
| It’s the throat, air passes through |
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Term
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Definition
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Term
| What is the piece of cartilage that blocks the passage to the respiratory tract when swallowing? |
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Definition
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Term
| What order do the pleuras in the lungs go? |
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Definition
| Visceral, interpleural, parietal |
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Term
| What sort of epithelium lines the respiratory tract? |
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Definition
| Ciliated pseudostratified columnar epithelium |
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Term
| What is the advantage of going from columnar / cuboidal epithelium in the bronchial tree to a simple squamus epithelium in the alveoli? |
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Definition
| Facilitates easier gas exchange, they are simple and flat meaning they have a rapid diffusion rate |
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Term
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Definition
| Measures the mechanics of breathing, the max amounts of air that can be breathed in and out, how much air can enter the lungs |
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Term
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Definition
| How quickly the air moves, “patency |
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Term
| What is the layout of a traditional spirogram? |
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Definition
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Term
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Definition
| Forced Volume Capacity – max volume of air that can be expired using max effort |
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Term
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Definition
| Forced Expired Volume – volume of air forcefully ex[ored in the first second, how fast full lugs can be emptied |
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Term
| How do you get a FEV1 / FVC ratio? |
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Definition
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Term
| What is an obstructive disease? |
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Definition
| Can’t get air out of lungs fast enough because airways are too narrow. Ill lead to decrease in FEV1 leading to a lower ratio |
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Term
| What is a restrictive disease? |
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Definition
| Reduction in lung volume, lead to FVC will increase |
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Term
What are the normal ratios for:
Normal
Obstructive
Restrictive |
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Definition
Normal – 75-80%
Obstructive – below 75-80%
Restrictive – above 80% |
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Term
| What will an obstructive spiragram look like? |
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Definition
| Concave peak expiratory flow (top |
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Term
| What will a restrictive spiragram look like? |
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Definition
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