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DHA Dental Assistant (DHA-DA) Practice Tests & Test Prep by Exam Edge


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  • Real Exam Simulation: Timed questions and matching content build comfort for your DHA Dental Assistant test day.
  • Instant, 24/7 Access: Web-based DHA Dental Assistant practice exams with no software needed.
  • Clear Explanations: Step-by-step answers and explanations for your DHA exam to strengthen understanding.
  • Boosted Confidence: Reduces anxiety and improves test-taking skills to ace your DHA Dental Assistant (DASST).

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DHA Dental Assistant (DASST) Shortcuts

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DHA Dental Assistant Exam Blueprint

Understanding the exact breakdown of the DHA Dental Assistant test will help you know what to expect and how to most effectively prepare. The DHA Dental Assistant has 100 multiple-choice questions. The exam will be broken down into the sections below:

DHA Dental Assistant Exam Blueprint
Domain Name
Dental Anatomy
Dental Assistant
Dental Health
Dental Materials
Dental Radiography
Infection Control
Preventive Dentistry
Supplies and Logistics
Communication and Patient Education
Ethics

DHA Dental Assistant Sample Test

1 of 5

With regard to infection control, which of the following is an example of the "elimination of a hazard"?

Correct Answer:
single-use instruments.
when discussing infection control, various strategies and tools are implemented to either eliminate, isolate, or minimize hazards related to infectious agents. the strategies are categorized based on how they manage these hazards:

**elimination of a hazard**: this is the most effective control level in the hierarchy of control measures. it involves removing the hazard entirely from the workplace, thus preventing exposure to it. in the context of infection control, **single-use instruments** are a prime example of this strategy. these instruments are designed to be used once and then discarded, thereby eliminating the risk of transmitting infections from one patient to another through reusable devices. by using single-use instruments, healthcare providers can ensure that no residual biological material carries over from one use to another, effectively removing the potential for cross-contamination.

**isolation of a hazard**: this strategy involves separating the hazard from healthcare workers or patients, thus minimizing the risk of exposure without eliminating the hazard completely. **safety needles**, which are engineered to prevent needle-stick injuries, exemplify this approach. these needles might have a sheath or a mechanism that retracts the needle after use, isolating the sharp, potentially contaminated point and reducing the risk of injury and exposure to infectious agents.

**work practice controls**: these are procedures and behaviors that are designed to reduce the likelihood of exposure by altering the way tasks are performed. **hand hygiene** is a critical work practice control in infection prevention. regular and proper hand washing or the use of alcohol-based hand sanitizers can significantly reduce the transmission of pathogens.

**personal protective equipment (ppe)**: this includes items such as **masks, gloves, and aprons**, which provide a barrier between the hazard and the healthcare worker. ppe is generally considered when elimination, substitution, and engineering controls are not feasible or do not completely control the hazard.

in summary, single-use instruments are categorized under the "elimination of a hazard" because they are discarded after one use, preventing any risk of infection that could arise from their reuse. this direct disposal aligns with the ultimate goal of hazard elimination, which is to completely remove the risk at its source. this method contrasts with other controls that do not remove the hazard but rather aim to manage and mitigate the associated risks.

Why Practice Tests Work

Use practice tests to spot gaps, sharpen timing, and walk in ready.

  • Simulates real exam-style questions so you know what to expect.
  • Reveals weak areas fast, so you can study what matters most.
  • Builds confidence through repetition and familiarity with the format.
  • Improves timing and pacing so you do not run out of time on test day.
  • Strengthens recall by practicing under light pressure.
  • Helps you track progress and confirm you are ready to schedule the exam.

Built to Fit Into Your Busy Life

Everything you need to prepare with confidence—without wasting a minute.

Three Study Modes

Timed, No Time Limit, or Explanation mode.

Actionable Analytics

Heatmaps and scaled scores highlight weak areas.

High-Yield Rationales

Concise explanations emphasize key concepts.

Realistic Interface

Matches the feel of the actual exam environment.

Accessible by Design

Clean layout reduces cognitive load.

Anytime, Anywhere

Web-based access 24/7 on any device.

Inside the Testing Environment

Answering a Question — Multiple-choice item view with navigation controls.
Answering a Question Multiple-choice item view with navigation controls.
Detailed Explanation — Review question explanation.
Detailed Explanation Review question explanation.
Review Summary 1 — Heatmap highlighting your knowledge level by domain.
Review Summary 1 Heatmap highlighting your knowledge level by domain.
Review Summary 2 — Summary page of correct/wrong/unanswered counts.
Review Summary 2 Summary page of correct/wrong/unanswered counts.

What Each Screen Shows

Answer Question Screen

  • Clean multiple-choice interface with progress bar.
  • Mark for review feature.
  • Matches real test pacing.

Detailed Explanation

  • Correct answer plus rationale.
  • Key concepts and guidelines highlighted.
  • Move between questions to fill knowledge gaps.

Review Summary 1

  • Overall results with total questions and scaled score.
  • Domain heatmap shows strengths and weaknesses.
  • Quick visual feedback on study priorities.

Review Summary 2

  • Chart of correct, wrong, unanswered, not seen.
  • Color-coded results for easy review.
  • Links back to missed items.

Top 10 Reasons to Use Exam Edge for your DHA Dental Assistant Exam Prep

  1. Focused on the DHA Dental Assistant Exam

    Our practice tests are built specifically for the DHA Dental Assistant exam — every question mirrors the real topics, format, and difficulty so you're studying exactly what matters.

  2. Real Exam Simulation

    We match the per-question time limits and pressure of the actual DHA exam, so test day feels familiar and stress-free.

  3. 30 Full Practice Tests & 3,000 Unique Questions

    You'll have more than enough material to master every DHA Dental Assistant concept — no repeats, no fluff.

  4. Lower Cost Than a Retake

    Ordering 5 practice exams costs less than retaking the DHA Dental Assistant exam after a failure. One low fee could save you both time and money.

  5. Flexible Testing

    Need to step away mid-exam? Pick up right where you left off — with your remaining time intact.

  6. Instant Scoring & Feedback

    See your raw score and an estimated DHA Dental Assistant score immediately after finishing each practice test.

  7. Detailed Explanations for Every Question

    Review correct and incorrect answers with clear, step-by-step explanations so you truly understand each topic.

  8. Trusted & Accredited

    We're fully accredited by the Better Business Bureau and uphold the highest standards of trust and transparency.

  9. Web-Based & Always Available

    No software to install. Access your DHA Dental Assistant practice exams 24/7 from any computer or mobile device.

  10. Expert Support When You Need It

    Need extra help? Our specialized tutors are highly qualified and ready to support your DHA exam prep.

Pass the DHA Dental Assistant Exam with Realistic Practice Tests from Exam Edge

Preparing for your upcoming DHA Dental Assistant (DASST) Certification Exam can feel overwhelming — but the right practice makes all the difference. Exam Edge gives you the tools, structure, and confidence to pass on your first try. Our online practice exams are built to match the real DHA Dental Assistant exam in content, format, and difficulty.

  • 📝 30 DHA Dental Assistant Practice Tests: Access 30 full-length exams with 100 questions each, covering every major DHA Dental Assistant topic in depth.
  • ⚡ Instant Online Access: Start practicing right away — no software, no waiting.
  • 🧠 Step-by-Step Explanations: Understand the reasoning behind every correct answer so you can master DHA Dental Assistant exam concepts.
  • 🔄 Retake Each Exam Up to 4 Times: Build knowledge through repetition and track your improvement over time.
  • 🌐 Web-Based & Available 24/7: Study anywhere, anytime, on any device.
  • 🧘 Boost Your Test-Day Confidence: Familiarity with the DHA format reduces anxiety and helps you perform under pressure.

These DHA Dental Assistant practice exams are designed to simulate the real testing experience by matching question types, timing, and difficulty level. This approach helps you get comfortable not just with the exam content, but also with the testing environment, so you walk into your exam day focused and confident.

Exam Edge DHA Reviews


“ Hi Ma'am, thank you so much. I cleared my DHA exam, and this time the question papers helped me a lot. I will surely recommend DHA prep to all my friends. Thanks once again.

Shafana ,

“ Very helpful and quick response.

Roxan , United Kingdom


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DHA Dental Assistant Aliases Test Name

Here is a list of alternative names used for this exam.

  • DHA Dental Assistant
  • DHA Dental Assistant test
  • DHA Dental Assistant Certification Test
  • DHA
  • DHA DASST
  • DASST test
  • DHA Dental Assistant (DASST)
  • Dental Assistant certification