A nurse is caring for a client who has substance use disorder who has expressed interest in receiving treatment to stop using. Which of the following interventions is an example of a tertiary intervention strategy for this client?

Rationale: A. This is an example of primary or harm-reduction prevention, aiming to reduce the risk of infectious disease transmission among individuals who are still using substances. It does not address treatment of an existing condition. B. This is an example of secondary prevention, as screening is focused on early detection of disease to prevent progression or complications. It does not directly provide treatment or rehabilitation for substance use. C. This is primarily a primary prevention or health promotion strategy, helping prevent additional health complications, but it does not treat the substance use disorder itself. D. Tertiary prevention involves interventions for individuals who already have a condition, focusing on treatment, rehabilitation, and strategies to prevent further complications or relapse. Referring the client to rehabilitation facilities directly addresses the substance use disorder, supporting recovery and long-term management.