1. Motor Carriers modality-specific content
Key exam domainIdentify weak areas and improve with focused review.
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Free CDAPA Practice Test
Pass the Certified Drug and Alcohol Program Administrator exam with confidence.
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Practice the CDAPA exam by domain
2. Specimen collection
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing3. Medical Review Officer (MRO)
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing4. Substance Abuse Professional (SAP)
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing5. Laboratory
Key exam domainIdentify weak areas and improve with focused review.
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Frequently asked questions
Straight answers about the CDAPA exam, the questions, pricing, the free trial, and how this fits your prep.
The CDAPA exam spans 5 domains - Motor Carriers modality-specific content, Specimen collection, Medical Review Officer (MRO), Substance Abuse Professional (SAP), and Laboratory. Every practice question maps to one of them, so you train on exactly what's tested.
The Certified Drug and Alcohol Program Administrator (CDAPA) exam has 100 questions and is completed in 4 hours. Our timed practice tests mirror that length and pacing, so exam day feels familiar.
No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the CDAPA exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.
No. CDAPA Exam Prep is an independent study resource for Certified Drug and Alcohol Program Administrator (CDAPA). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.
Every paid plan unlocks the full bank of 1,000+ practice questions covering all 5 CDAPA domains - Motor Carriers modality-specific content, Specimen collection, Medical Review Officer (MRO), Substance Abuse Professional (SAP), and Laboratory. You can practice the whole bank, filter by domain, or run a timed, domain-balanced exam simulation.
Yes - the bank is maintained against the current exam outline, and questions are revised when the exam changes.
No honest practice platform can guarantee a pass. What realistic practice does is show you - before exam day - exactly which domains are weak, and give you the repetitions to fix them. That's the difference between hoping you're ready and knowing where you stand.
Yes. You get 10 free sample questions with instant feedback - no credit card and no account required.
The free sample shows you the question quality. Paid plans unlock the full 1,000+ question bank, exam-style practice modes, mistake review, and - on Fast Track and Pass Confidence - progress analytics that show your readiness by domain.
No. Every plan is a single one-time payment for a fixed access window - 48 hours, 7 days, or 6 weeks. There is no auto-renewal and no recurring billing.
Match it to your exam date: Final Review (2 days) for an exam in the next day or two, Fast Track (7 days) for an exam this week, Pass Confidence (6 weeks) for a structured run-up.
For most countries, the price you see is exactly what you pay - tax is already included. Where local law requires it to be added separately, it's shown clearly at checkout before you pay, so there are never any surprise fees.
Access is instant after payment and runs for your plan's full window from that moment. When the window ends, your local progress stays on your device - you can buy another window any time and pick up where you left off.
Yes - the whole platform is mobile-first: practice, mistake review, and analytics all work on any phone, tablet, or laptop with a browser. Nothing to install.
Every answer feeds your per-domain accuracy, readiness score, and weak-area list. Instead of re-reading everything, you drill the domains that are actually costing you points - that's what moves a score in days, not months.
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Trusted by CDAPA candidates
Real feedback from CDAPA candidates on Reddit.
"put this off for weeks then crammed the last two weekends. the motor carriers section on the site actually matched what showed up, specimen collection stuff especially. passed first try, kinda surprised honestly given how little i studied early on."
"did this for work, not my field really so i was nervous. the mistake review after each practice set helped alot, kept missing MRO related questions until i actually understood the process instead of just memorizing. glad its over."
"used cdapaexam.com for about a month, mostly on lunch breaks. the SAP section was where i was weakest and their breakdown showed that clearly so i knew where to focus instead of rereading everything blind. passed with time to spare."