Anaesthesia The most appropriate circuit for ventilating a spontaneously breathing infant during anaesthesia is: A Jackson Rees' modification of Ayre's T Piece B Mapleson A or Magill's circuit C Mapleson C or Waters' to and fro canister D Bains circuit 💡 Explanation The most appropriate circuit for ventilating a spontaneously breathing infant during anaesthesia is: ✓ Correct Answer: A. Jackson Rees' modification of Ayre's T Piece