Lab 8 - Respiratory volumes and capacities
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14 Terms
Average value of tidal volume in males
500 ml
Average value of inspiratory reserve volume in males
3100 ml
Average value of expiratory reserve volume in males
1200 ml
Average value of residual volume in males
1200 ml
Average value of total lung capacity in males
6000 ml
Average value of vital capacity in males
4800 ml
Average value of inspiratory capacity in males
3600 ml
Average value of functional residual capacity in males
2400 ml
Spirometer
What does a spirometer measure?
How much air you exhale
Measuring respiratory volume formula
tidal volume x respirations per minute = respiratory volume divided by 1000
What respiratory volume are you measuring when you inhale/exhale normally 2-3 times, then exhale as much air as you can?
ERV
What respiratory volume are you measuring when you inhale/exhale normally 2-3 times, bend forward and exhale all the air possible, then inhale as fully as possible and exhale as forcibly as you can
Vital capacity
What respiratory volume are you measuring when the volume of air that can be forcibly inhaled following a normal inspiration
IRV