What is the advantage of a Venturi mask?

Correct option is C

Ans. (c) Delivers precise and high flow rates of oxygen
Sol. The Venturi mask is a high-flow oxygen delivery system that delivers precise oxygen concentrations by mixing oxygen with room air. It is particularly beneficial for patients requiring controlled oxygen therapy, such as those with chronic obstructive pulmonary disease (COPD).
Explanation of each option:
· (a) High concentration O₂ is delivered accurately – Incorrect. While it ensures a controlled O₂ delivery, the concentration is not necessarily high, as it is set at a fixed percentage.
· (b) Provides moderate-to-high-density aerosols – Incorrect. Venturi masks are not designed for aerosol therapy; they are used for precise oxygen delivery.
· (c) Delivers precise and high flow rates of oxygen – Correct answer. Venturi masks provide accurate FiO₂ (Fraction of Inspired Oxygen) by controlling air entrainment.
· (d) O₂ is delivered quickly for short periods – Incorrect. Venturi masks deliver continuous oxygen flow at a fixed concentration, not short bursts.