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Latest revision as of 02:48, 25 September 2026
Which of the following is best for controlled ventilation?
a) Mapleson A
b) Mapleson B
c) Mapleson C
d) Mapleson D
e) Mapleson E
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Answer
Answer d.
The Mapleson D circuit is most efficient for controlled ventilation due to minimization of efferent gas rebreathing. The Mapleson A circuit is most efficient for spontaneous ventilation. In the United States, the Mapleson D (or a variant of it, called the Bain modification) is the most commonly used of the open anesthesia breathing circuits.
Notes
- This question originally printed in the Pediatric Anesthesiology Review Topics kindle book series, and appears courtesy of Naerthwyn Press, LLC.
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