Chemical exposure ambulant — DipIMC MCQ
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Correct answer: D — P3 / delayed
Explanation lettering: D = shown as A · A = shown as B · E = shown as C · B = shown as D · C = shown as E
B is correct: Ambulant casualties with mild symptoms are initially delayed but require decontamination and reassessment. A is less suitable because P2 is urgent but not the best category for the physiology described; C is less suitable because the stem does not describe persistent apnoea or injuries incompatible with life; D is less suitable because the patient has clinically significant illness or injury; E is less suitable because P1 is reserved for immediate life-threatening physiology or intervention need. The most tempting alternative is therefore suboptimal because it either delays the time-critical pre-hospital intervention or sends the patient to the wrong level of care. The key DipIMC principle is focused cABCDE decision-making with early pre-alert, triage or retrieval escalation when the scene physiology demands it.
Reference: MIMMS; JESIP Joint Doctrine; JRCALC Major Incidents