Poison Prevention

Poisoning is the fifth leading cause of injury-related death in Canadian children, with toddlers (12–36 months) at highest risk due to their exploratory behaviour and inability to recognize danger. The poisoning landscape has shifted: pharmaceutical agents — particularly acetaminophen, cardiovascular medications, and opioids — now account for more serious childhood poisonings than household chemicals. For the REx-PN exam, poisoning questions test: (1) correct initial management (call Poison Control; no vomiting induction); (2) acetaminophen toxicity recognition and management; (3) carbon monoxide presentation; and (4) lead poisoning screening criteria. On the exam, writers often pair stable-sounding options with unstable data—notice the mismatch before you commit. If the stem names a license or role, reread that line; scope errors are classic trap answers even when the clinical topic is familiar. Run a 60-second scan: breathing work and oxygenation, perfusion and end organs, neuro baseline, likely infection sources, and devices that can fail quietly. When two answers feel partly right, pick the one that reduces imminent harm and matches orders for the role you were given. Train yourself to state the primary risk in...