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Related Flashcards
Related Topics
Cards In This Set
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What is tidal volume?
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Amount of air inhaled or exhaled with each breath under resting conditions
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Inspiratory reserve volume
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Amount of air that can be forcefully inhaled after a normal tidal volume inhaled
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Expiratory reserve volume
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Amount of air that can be forcefully exhaled after a normal tidal volume exhalation
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Risidual volume
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Amount of air remaining in the lungs after a forced exhalation
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Total lung capacity
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Maximum amount of air contained in lungs after a maximum inspiratory effort: TLC = TV + IRV +ERV + RV
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Vital Capacity
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Maximum amount of air that can be expired after a maximum inspiratory effort
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Inspiratory capacity
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Maximum amount of air that can be inspired after a normal expiration
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Functional residual capacity
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Volume of air remaining in the lungs after a normal tidal volume expiration
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Volume of the conducting zone conduits
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Anatomical dead space
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Alveoli that cease to act in gas exchange due to collapse or obstruction
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Alveolar dead space
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Sum of above nonuseful volumes
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Total dead space
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Spirometer
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Instrument used to measure respiratory volumes and capacities
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Spirometry can distinguish between what?
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Obstructive pulmonary disease and restrictive disorders
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What is obstructive pulmonary disease
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Increased airway resistance ( bronchitis)
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What is resitrictive disorders?
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Reduction in total lung capacitiy due to structural or functional lung changes (fibrosis or TB)
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