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24 Cards in this Set
- Front
- Back
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respiratory volumes & capacities can be measured with ____ or ____
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respirometer - spirometer
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2 respiratory volumes
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tidal volume - residual volume
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tidal volume (TV) is the amount of air inspired and expired during ____ ____
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normal breathing
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TV volume average
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500ml
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residual volume (RV) is the amount of ____ remaining in lungs after ____ ____
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air - forced exhalation
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RV average (males/females)
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1200/1100ml
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RV is the amount of air remaining in lungs to prevent
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collapse
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5 respiratory capacities
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vital capacity (VC) - inspiratory reserve volume (IRV) - expiratory reserve volume (ERV) - residual volume (RV) - total lung capacity (TLC)
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vital capacity (VC) is the maximum amount of air ____ after maximum ____
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expired - inspiration
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VC average
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4700ml
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inspiratory reserve volume (IRV) is amount of air that is forcefully ____ after ____ ____ ____
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inspired - normal tidal inspiration
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IRV average
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3000ml
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expiratory reserve volume (ERV) is amount of air ____ following ____ ____ ____
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evacuated - normal tidal expiration
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ERV average
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1200ml
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total lung capacity is the ____ amount of air contained in the lungs after maximum ____
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maximum - inspiration
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TLC average (males/females)
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6000/4200ml
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2 types of dead space
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anatomical dead space - physiological dead space
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anatomical dead space is the air found in ____ & not undergoing ____ ____
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airways - gas exchange
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anatomical dead space average
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150ml
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physiological dead space is the air available in ____ but not used due to …
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alveoli - lack of blood
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minute respiratory volume (MRV) is the ____ ____ per minute times ____
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breathing rate - TV
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MRV average
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12 breaths x 500 = 6000ml
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alveolar ventilation rate (AVR) is the measurement of ____ air actually used for ____
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incoming - respiration
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AVR formula
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breathing rate x (TV - dead space)
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