Term
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Definition
| Another name for inhalation is _______? |
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Term
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Definition
| What is atmospheric air pressure? |
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Term
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Definition
| To get air to flow into the lungs, we must _______ the pressure in the lung cavity. |
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Term
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Definition
| To reduce air pressure in the chest cavity, we must make the cavity _______ |
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Term
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Definition
| As volume of a gas increases, the pressure _____________ |
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Term
| The diaphragm muscle contracts and pulls down, which enlarges the thoracic cavity |
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Definition
| What occurs in a normal inspiration to change the size of the chest cavity? |
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Term
| diaphragm contracts, external intercostals contract, sternocleidomastoid muscle contracts and pectoralis minor contracts |
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Definition
| During a maximal inspiration what happens to enlarge the chest cavity? |
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Term
| the stomach organs recoil and the lungs automatically recoil |
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Definition
| What causes the chest cavity to shrink during a normal exhale? |
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Term
| lungs and abdominal organs recoil plus the abdominal muscles contract and the internal intercostal muscles contract |
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Definition
| What happens during a maximal expiration to greatly decrease the size of the thoracic cavity? |
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Term
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Definition
| When would the external intercostals be contracting? |
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Term
| 758, which is less than the 760 of the atmospheric air. |
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Definition
| When air is flowing into the lungs, the air pressure in the lungs has been reduced to __________ mm Hg. |
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Term
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Definition
| What is the normal volume of air moved during normal inhalation and exhalation? |
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Term
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Definition
| What is the maximum exhale after a maximum inhale called? |
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Term
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Definition
| What is the volume of air that never leaves the lungs called? |
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Term
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Definition
| What disease is caused by inflammation of the bronchi? |
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Term
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Definition
| What disease is characterized by deterioration of the alveoli from immune system attack from WBC's? |
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Term
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Definition
| What disease is caused by constriction of bronchi? |
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Term
| allergies, pollution or other lung irritants, stress, exercise |
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Definition
| What factors can cause asthma? |
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Term
| cilia decrease or become paralyzed, mucus accumulates, increase of lung infections, emphysema, lung cancer, bronchioles becomes less elastic |
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Definition
| What occurs in the lungs of smokers? |
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Term
| expiratory reserve volume |
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Definition
| lung volume that can be exhaled after a normal exhale. |
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Term
| tidal volume x breaths/minute |
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Definition
| How do you calculate the minute volume? |
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Term
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Definition
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Term
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Definition
| Deep breath is taken and the glottis is closed while air is forced up against it. This describes a ______ |
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Term
| Powerful muscles can help inflate the inflamed bronchi in the lungs, but exhalation is passive, so it's harder to force air out. |
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Definition
| Why is expiration harder for an asthmatic than inspiration? |
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Term
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Definition
| When the chest cavity has been punctured and air enters the thoracic cavity, the "vacuum" between the lung and thoracic cavity is destroyed. What is this condition called? |
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