Question 1
What percentage of individuals with a substance use disorder also have a co-occurring mental health disorder?
Correct Answer:
Approximately 50%
Question 2
The term 'dual diagnosis' refers to:
Correct Answer:
Having both a substance use disorder and a psychiatric disorder simultaneously
Question 3
Which mental health disorder is MOST commonly co-occurring with substance use disorders?
Correct Answer:
Depression and anxiety disorders
Question 4
When assessing a client for co-occurring disorders, a counselor should wait how long after last substance use before evaluating psychiatric symptoms?
Correct Answer:
Long enough for acute intoxication and withdrawal effects to clear (typically 2–4 weeks)
Question 5
Which model of co-occurring disorders proposes that one disorder directly causes the other?
Correct Answer:
Secondary disorder model
Question 1
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About this Exam

Prepare with the National Certified Addiction Counselor Level I (NCAC I) practice quiz. This question bank includes 108 questions covering client, treatment, disorder, substance, and counselor. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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National Certified Addiction Counselor Level I (NCAC I)

This practice set contains 108 questions from the matching question bank and focuses on client, treatment, disorder, substance, and counselor. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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