Vaporiser Interlock Mechanism — FRCA Final 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: B — Interlock mechanism
Interlock mechanism prevents >1 vaporiser on simultaneously, avoiding mixed volatile delivery. PISS prevents wrong cylinder connections. Keyed filling prevents wrong agent filling. DISS prevents wrong pipeline connections.
Reference: RCOA – 2020 – Anaesthetic equipment safety