Intake and Output (Fundamentals) integrates university-level nursing science with bedside RN practice: systematic assessment, clinical judgment, safe intervention, accurate documentation, and client-centred teaching aligned with NCLEX-RN expectations. US NCLEX-RN items often test prioritization, delegation, clinical judgment, and first action under time pressure. Pathway context (RN, United States). Continue with related lessons from the pathway lesson hub. Learning objectives - Apply conceptual depth, RN assessment, clinical judgment, priority actions, safety risks, documentation, patient teaching, NCLEX traps, clinical pearls, and case-based reasoning for this fundamentals topic. - Differentiate RN vs UAP responsibilities and scope-appropriate delegation. - Select first nursing actions that reduce harm when multiple tasks compete.