Problem: Which of the following is true about racial and ethnic identities? Social workers with years of experience accumulate enough knowledge about different racial and ethnic identities to become cultural experts. Clients are always the cultural experts because they are in the best position to know how general ideas about their race or ethnicity fit into who they actually are. Accumulating knowledge about different racial and ethnic identities is sufficient for understanding a client's cultural identity. Racial and ethnic identities are monocultural and not subject to group differences.