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18 Cards in this Set
- Front
- Back
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What is respiration? |
Exchange of gases (carbon dioxide and oxygen) between living organisms and its environment |
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The process that moves air in and out the lungs? |
Pulmonary ventilation |
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What is the term to describe the use of oxygen by the cells in the process of metabolism |
Cellular respiration |
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Name the phases of pulmonary ventilation? |
Inspiration and Expiration |
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For ventilation to occur, the tissues of the thorax and lungs must remain both: |
Compliant (able to stretch) Elastic (able to recoil) |
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Muscles that increase the volume of the thorax? |
Inspiratory muscles |
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Name the inspiratory muscles? |
Diaphragm External intercostal muscle |
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Dome-shaped muscle separating the abdominal cavity from the thoracic cavity? |
Diaphragm |
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What is the most important muscle of inspiration? |
Diaphragm |
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These nerves stimulates the diaphragm to contract? |
Phrenic nerves |
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The device used to measure the amount of air exchanged in breathing? |
Spirometer |
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What volume of air does a person breath in each normal inspiration? |
500 ML |
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The amount of air comes and goes regularly like the tides of the sea, this is referred to as? |
Tidal volume |
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The largest amount of air that a person can breathe in and out by inhaling deeply is called? |
Vital capacity (4800 ml) |
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The amount of air forcibly exhaled after expiring the tidal volume is called? |
Expiratory reserve volume |
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The amount of air that can be forcibly inspired over and above the normal inspiration? |
Inspiratory reserve volume |
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The air that remains in the lungs after forceful expiration? |
Residual volume |
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What is the average breaths per minute? |
12-18 |
