Spacer device technique — GPhC CRA MCQ
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Correct answer: C — Use one actuation per cycle followed immediately by slow or tidal inhalation
Multiple puffs should not be discharged into a spacer together because aerosol deposits on the chamber walls and the inhaled dose becomes unreliable. The inhaler is shaken and actuated one puff at a time, with inhalation immediately after each actuation using the slow-breath or tidal-breath technique suitable for the child and device.
Reference: Hull University Teaching Hospitals, Using an inhaler with a spacer: https://www.hey.nhs.uk/patient-leaflet/using-your-inhaler-with-a-spacer/