Unknown Mapleson’s classification of anesthetic breathing system A Describes four systems A, B, C, D B Classifies the Bain system as Mapleson C Describes the T-piece as M D Describes the T-piece system as requiring a fresh gas flow rate of 1.5 – 2 times the minute volume 💡 Explanation Mapleson’s classification of anesthetic breathing system ✓ Correct Answer: B. Classifies the Bain system as Mapleson