InterviewSolution
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InterviewSolution
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If alveolar ventilation is `4200 mL//min`, respiratory frequency is `12` breaths per minute, and tidal volume is `500` mL, what is the anatomical-dead-space ventialtion ?A. `1800 "mL"//"min"`B. `6000 "mL"//"min"`C. `350 "mL"//"min"`D. `1200 "mL"//"min"` |
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Answer» Correct Answer - A Total minute ventilations is comprised of dead space plus alveolar ventilation. Minute ventilation is respiratory frequnecy (`12` breaths per minue) multipled by tidal pressure `(500 "mL"//"breath") = 6000 "mL"//"min")`. Subtract alveolar ventilation `(4200 "mL"//"min")` from that i.e., `6000-4200 = 1800 "mL"//"min"`. |
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