Answer :

Final answer:

Alveolar ventilation is calculated by subtracting the anatomical dead space from the tidal volume. With a tidal volume of 375 ml and an anatomical dead space of 150 ml, the alveolar ventilation for one breath is 225 ml.

Explanation:

The student is asking about calculating alveolar ventilation, which requires understanding of several concepts, including tidal volume (TV), anatomical dead space, alveolar dead space, and total dead space. Tidal volume is the amount of air that is inspired and expired during normal breathing, while anatomical dead space is air present in the respiratory tract that does not reach the alveoli and therefore does not participate in gas exchange.

To calculate alveolar ventilation, we subtract the volume of anatomical dead space from the tidal volume and then multiply the result by the respiratory rate. If the tidal volume (TV) is 375 ml and the anatomical dead space is 150 ml, alveolar ventilation for a single breath would be the tidal volume minus the anatomical dead space, which equals 375 ml - 150 ml = 225 ml. To get the alveolar ventilation per minute, you would multiply this result by the respiratory rate (number of breaths per minute).

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