The Record of a Patient on Mechanical Ventilation Reveals the Following

The record of a patient on mechanical ventilation reveals the following information: VE = 10 L/min, PaCO₂ = 43 mm Hg $\mathrm{P}_{\overline{\mathrm{E}}} \mathrm{CO}_{2}$ , = 17 mm Hg, PaO₂ = 70 mm Hg.Can ventilation be considered efficient for this patient?

A) Yes, because the minute ventilation is within normal limits.
B) Yes, because the PaCO₂ is within normal limits.
C) No, because the $\mathrm{P}_{\overline{\mathrm{E}}} \mathrm{CO}_{2}$ does not match the P_aCO₂.
D) No, because dead space ventilation is greater than 40%.

Correct Answer:

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