Pathophysiology
Clinical meaning
Vital Signs & Escalation (Scope & Foundations) tests whether you stay within PN scope: carry out ordered care, observe and report changes, and escalate when the plan or stability is unclear. Canadian PN / REx-PN stems emphasize assignment clarity, scope, and safety within role. Connect Vital Signs & Escalation (REx-PN / to bedside cues you will reassess first: vitals trends, work of breathing, perfusion, mentation, and pain or ischemic equivalents when relevant. Boards reward recognizing when subtle instability outweighs reassurance, then selecting nursing actions that protect airway, circulation, and neurologic status before routine tasks.