Question

Respiratory movements during anesthesia
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Answer 1

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Pulmonary gas exchange is disturbed during general anaesthesia; both oxygenation and elimination of carbon dioxide are impaired. The shape of the chest wall alters after induction of anaesthesia-paralysis in recumbent subjects, and its motion during inspiration is also altered.

Answer 2

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during anaesthesia , A decrease in lung volume will reduce traction on air passages and lead to a narrowing of bronchi and bronchioles leading to increased airway resistance, airway collapse and atelectasis. This results in reduced compliance and increased work of breathing.