Maximum 02 concentration attained in venture mask is?: (A) 90%, (B) 100%, (C) 60%, (D) 80%
Answer is C. 60% REF: Ajay Yadav 2nd ed p.35 Equipment and oxygen delivered in % * Nasal canula - 44% * Venturi mask - 60% * Oxygen mask - 60% * Ventilators - 100%