In magil circuit airflow is –: (A) 1/2 of minute volume, (B) equal to M.V., (C) 2 x m.v., (D) 3 x m.v.
Answer is B. "For Mapleson Type A (Magill) circuit fresh gas flow should be equal to minute volume (5 L/min) to prevent rebreathing when patient is spontaneously breathing".