CAS Study Guide 2026
Everything you need to pass the CAS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CAS Exam Format at a Glance
📚 CAS Topics to Study (37)
✍️ Sample CAS Questions & Answers
1. Which ethical principle ensures addiction counselors provide equal treatment to all clients?
The principle of justice ensures that all clients receive fair and equal treatment regardless of background or circumstances.
2. A client on methadone maintenance asks why they cannot receive take-home doses after one week. The CAS should explain that take-home doses are granted based on:
Federal regulations (42 CFR Part 8) establish specific criteria—including time in treatment, urine drug screen results, and behavioral stability—that must be met before take-home doses are permitted.
3. Which tool or methodology is most appropriate for analyzing addiction specialist substance counseling outcomes?
Maintaining professional boundaries while building collaborative relationships is the correct approach because effective addiction specialist substance counseling in the addiction specialist field requires adherence to professional standards, evidence-based practices, and systematic methodology. This approach ensures consistent, high-quality outcomes while maintaining professional accountability.
4. Which of the following elements is MOST essential in a discharge summary for a client completing residential SUD treatment?
A discharge summary must capture the treatment course, goal attainment, and a concrete aftercare plan to support continuity of care.
5. In the context of addiction specialist, which principle most directly governs addiction specialist evaluation & diagnosis practices?
Applying evidence-based methodologies with peer-reviewed support is the correct approach because effective addiction specialist evaluation & diagnosis in the addiction specialist field requires adherence to professional standards, evidence-based practices, and systematic methodology. This approach ensures consistent, high-quality outcomes while maintaining professional accountability.
6. Which communication barrier is MOST likely to occur when a CAS works with a client who has low health literacy?
Low health literacy commonly leads to misunderstanding of clinical language, medication instructions, and treatment plans.