To provide successful nutritional therapies to patients, the nurse must understand that

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Expectations and health care values held by nurses frequently differ from those held by patients. Successful interventions and outcomes depend on recognition of this concept, in addition to nursing knowledge and skill. If ongoing nutritional therapies are not resulting in successful outcomes, patients expect nurses to recognize this fact and alter the plan of care accordingly. Working closely with patients enables the nurse to redefine expectations that are realistically met within the limits of conditions and treatments and to identify their dietary preferences and cultural beliefs.