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10 Cards in this Set
- Front
- Back
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inspiration |
contraction of diaphragm and external intercostal |
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compliance |
ability of pulmonary tissue to stretch |
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elastic recoil |
ability to return to smaller size after stretch |
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tidal volume (TV) expiratory reserve volume (ERV) Inspiratory reserve volume (IRV) Residual volume (RV) |
TV - in and out per one breath ERV - forceful exhale after normal breath IRV - forceful inhale after normal breath RV - amount of air always in lung |
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vital capacity VC |
IRV + TV + ERV |
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functional residual capacity |
ERV + RV |
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total lung capacity |
IRV + TV + ERV + RV |
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FEV1/FVC normal is |
80% ...less than 50% indicates COPD |
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oxyhemoglobin carries the |
majority of total o2 transported in blood |
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muscles of respiration: quiet in forced in quiet out force out |
quiet in - ext intercostals / diaphragm (compliance) forced in - strenocleidomastoid pec minor serratus quiet out - relaxation of inspiratory muscles (recoil) forced out - internal intercostals and abdominals |
