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Ventilation
Respiratory Physio Unit Ventilation Defintions
| Question | Answer |
|---|---|
| The air that enters your body with each breath (approx. 500 ml). | Tidal Volume |
| The ratio of CO2 produced to O2 consumed. Usually 0.85 for a mixed diet. | Respiratory Quotient |
| RQ | Respiratory Quotient |
| The amount of air ventilated per minute. | Minute ventilation. |
| V dot E. | Minute ventilation. |
| Tidal volume (Vt) multiplied by respiratory rate (eta). | Minute ventilation. |
| The volume of air that does not participate in gaseous exchange. | Dead space |
| Alveolar volume times ventilation rate is called: | alveolar ventilation |
| If you add dead space and alveolar volume together, you get: | tidal volume |
| The air contained within the pharynx, larynx, and conducting pathways is best defined as: | anatomic dead space |
| If I'm talking about the unperfused air in alveoli sacs, I'm talking about: | alveolar dead space |
| Normally anatomic dead space equals: | physiological dead space |
| The sum of alveolar and anatomic dead space equals: | physiological dead space |
| Physiological dead space is a __________ measurement. | functional |