DPI requirements — RACP Paediatrics MCQ

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ModerateRespiratoryDPI requirementsRACP Paediatrics

A 14-year-old asks about switching to a Turbuhaler (DPI). What is the key requirement for effective DPI use?

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Correct answer: D — Dry powder inhaler

DPIs require a fast deep inspiratory effort (>30 L/min) to deaggregate powder. Generally achievable from age 6-8. No coordination of actuation needed.

Reference: National Asthma Council Australia – 2022