Dornase Alfa Mechanism — RACP Paediatrics MCQ
Instant feedback + full explanation. One question, done properly.
Educational content. Not a substitute for clinical judgement or local policy.
Reveal the answer and explanation
Correct answer: D — Cleaves extracellular DNA reducing sputum viscosity
Recombinant DNase cleaves neutrophil-derived DNA in CF sputum, reducing viscosity.
Reference: Australian CF Guidelines – 2024