Maximum O2. concentration attained in venture mask is?: (A) 90%, (B) 100%, (C) 60%, (D) 80%
Answer is C. ANSWER: (C) 60%REF: Ajay Yadav 2ad ed p.35Equipment and oxygen delivered in %Nasal canula - 44%Venturi mask - 60%Oxygen mask - 60%Ventilators -100%