Key Concepts
Introduction
Canadian RN Read mmol/L values precisely. Judgment mirrors US RN items: protect conduction in hyperkalemia, protect brain in sodium disorders, and reassess after therapy. Same forks as US RNโhypo/hypernatremia teaching, K+ replacement safety, calcium before insulin when the stem follows that patternโbut stems add mmol/L labs and metric vitals. Misreading units or delaying when ECG + K+ align is the usual wrong-answer pattern. For NCLEX-RN (Canada), questions rarely announce the topic in the first sentence. They hide it inside vitals, labs, and a short story. Your job is to name the clinical problem, justify why it matters now, and select the safest next step for the role you are givenโbefore you let distractors pull you toward busywork or out-of-scope heroics. When two answers feel partly right, pick the one that closes risk first and matches your license in the stem. On the exam, writers often pair stable-sounding options with unstable dataโnotice 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.