Final answer:
The successful action in providing culturally congruent care is to provide care that fits the patient's valued life patterns and set of meanings.
Step-by-step explanation:
The action that indicates the nurse is successful in the role of providing culturally congruent care is a. Provides care that fits the patient's valued life patterns and set of meanings. This means that the nurse is taking into account the patient's cultural background, beliefs, and values when providing care. By understanding and respecting the patient's cultural perspectives, the nurse can ensure that the care provided is culturally appropriate and tailored to meet the patient's needs.