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