Central Line Insertion & Bundle involves disruption of renal filtration, tubular function, electrolyte homeostasis, or acid-base balance specific to central line insertion & bundle. Connect Central Line Insertion and Bundle to bedside cues you will reassess first: vitals trends, work of breathing, perfusion, mentation, and pain or ischemic equivalents when relevant. NCLEX items often reward recognizing when subtle instability outweighs reassurance, then selecting nursing actions that protect airway, circulation, and neurologic status before routine tasks.