Which mask can precisely control oxygen concentration delivered to the patient?

The Venturi mask is specifically designed to deliver a precise concentration of oxygen to patients, making it a vital tool in oxygen therapy where accurate oxygen levels are required. This mask achieves this through the use of color-coded diluters that allow healthcare professionals to select the desired oxygen concentration. By controlling the flow of oxygen and combining it with a specific amount of room air, the Venturi mask can deliver a consistent and precise mixture of oxygen that matches the prescribed concentration.

In contrast, other mask options like the simple face mask and non-rebreather mask are less precise. A simple face mask can provide supplemental oxygen but does not have the capability to finely control the oxygen concentration, as it relies on the mix with ambient air. The non-rebreather mask does deliver high concentrations of oxygen but lacks the mechanisms for precise adjustments and can vary in the actual concentration received by the patient depending on their breathing patterns.

The nasal cannula, while comfortable for patients and useful for low-flow oxygen delivery, also does not allow for precise control of the oxygen concentration as its effectiveness can vary based on the patient’s breathing. Thus, the Venturi mask stands out as the most reliable option for achieving specific and controlled oxygen delivery to patients.