Certified Transport Registered Nurse Certification Practice Exam

Question: 1 / 400

What is the recommended tidal volume calculation for injured lungs?

6 - 10 ml/kg

4 - 8 ml/kg

The recommended tidal volume for patients with injured lungs is typically calculated to minimize ventilator-associated lung injury and to ensure adequate gas exchange. Using a tidal volume of 4 - 8 ml/kg is advised in patients with acute respiratory distress syndrome (ARDS) or other forms of lung injury. This range helps to reduce over-distension of the alveoli and lessen the risk of further injury, while promoting better oxygenation and ventilation. It aligns with lung-protective ventilation strategies, which focus on limiting the tidal volume to avoid barotrauma and volutrauma in compromised lung tissue.

Lung injury often results in impaired compliance and may require careful management of ventilation parameters to prevent further damage. Therefore, choosing a lower tidal volume within the established range is critical in this context.

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8 - 12 ml/kg

10 - 14 ml/kg

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