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Free Practice Questions for Dental Hygienist Licensing Exam

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Key Facts: Dental Hygienist Licensing Exam Exam

150

Multiple-Choice Questions

DHP Qualifying Examinations

3 Hours

Time Limit

DHP Qualifying Examinations

50%

Passing Score

DHP Qualifying Examinations

$238

2026 Exam Fee (USD)

DHP Circular 2024/10

Prometric

Administered By

DHP / Prometric

Use the current DHP facts: 150 MCQs in 3 hours, a 50% cut score, and a US$238 fee effective January 1, 2026. The official blueprint's largest domains are non-surgical periodontal therapy (33 items), preventive therapy (21), medical/dental histories (18), and extra/intraoral examination (18). DHP permits up to five consecutive qualifying-exam attempts regardless of the gap between attempts; qualifying-exam exemptions and all other registration requirements still apply.

Sample Dental Hygienist Licensing Exam Practice Questions

Try these sample questions to review concepts for the Dental Hygienist Licensing Exam exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 174+ question experience with AI tutoring.

1What is the primary goal of non-surgical periodontal therapy, including scaling and root planing?
A.To eliminate the need for future surgical interventions.
B.To disrupt biofilm and remove calculus from tooth surfaces.
C.To increase the attachment level of the periodontium.
D.To whiten the teeth and improve esthetics.
Explanation: Non-surgical periodontal therapy disrupts supra- and subgingival biofilm and removes detectable calculus while preserving sound root tissue. This reduces the microbial challenge and inflammation and establishes conditions for healing and continuing self-care.
2Which of the following components of an X-ray machine is responsible for heating the filament to produce electrons?
A.Anode
B.Cathode
C.Focusing cup
D.Step-up transformer
Explanation: The cathode contains the tungsten filament, which is heated by an electrical current to a high temperature. This heating causes thermionic emission, releasing electrons that are then accelerated towards the anode to generate X-rays.
3Which major salivary gland is located anterior to the ear, superficial to the masseter muscle?
A.Sublingual gland
B.Submandibular gland
C.Parotid gland
D.Minor salivary glands
Explanation: The parotid gland is the largest of the major salivary glands and is typically located in the preauricular region, lying superficial to the masseter muscle and extending to the zygomatic arch. It produces serous saliva.
4Which medication reported in a dental patient's history most directly increases the risk of prolonged bleeding during periodontal instrumentation?
A.Metformin
B.Apixaban
C.Levothyroxine
D.Amoxicillin
Explanation: Apixaban is a direct oral anticoagulant, so its use is relevant when assessing bleeding risk before periodontal instrumentation. The hygienist should document the drug, dose, indication, adherence, bleeding history, and prescriber; the patient should not be told to stop it without an authorized treatment plan.
5Which three physical parameters should be monitored and recorded for each steam sterilizer cycle?
A.Pressure, temperature, time
B.Temperature, pressure, load
C.Time, temperature, chemical indicator
D.Steam, temperature, time
Explanation: Mechanical monitoring of a steam sterilizer includes documenting cycle pressure, temperature, and exposure time. These readings help detect equipment or cycle failures, but they complement rather than replace chemical and biological monitoring.
6A periodontal site has a 6 mm probing depth, bleeding on probing, and horizontal alveolar bone loss. The pocket base is coronal to the adjacent alveolar crest. Which type of periodontal pocket is present?
A.Gingival pocket
B.Suprabony pocket
C.Infrabony pocket
D.Pseudopocket
Explanation: A suprabony pocket has its soft-tissue base coronal to the alveolar bone crest and is commonly associated with horizontal bone loss. The relation of pocket base to bone crest, not probing depth alone, distinguishes it from an infrabony pocket.
7Which of the following is the most effective method for reducing patient exposure to radiation during dental radiography?
A.Increasing the kVp
B.Using a faster film speed or digital sensor
C.Decreasing the source-to-film distance
D.Using a smaller focal spot size
Explanation: Using a faster film speed (e.g., F-speed film) or digital sensors requires less radiation to produce an acceptable image. This is a highly effective way to adhere to the ALARA principle (As Low As Reasonably Achievable) and significantly reduce patient exposure.
8The foramen magnum is a prominent feature of which cranial bone?
A.Frontal bone
B.Parietal bone
C.Occipital bone
D.Sphenoid bone
Explanation: The foramen magnum is the largest opening in the skull, situated at the base of the occipital bone. It serves as a crucial passageway for the brainstem, spinal cord, and associated structures to connect the brain to the vertebral canal.
9Which method of fluoride delivery provides both systemic and topical benefits?
A.Fluoride varnish application
B.Daily fluoride rinse
C.Community water fluoridation
D.Professional fluoride gel application
Explanation: Community water fluoridation provides both systemic and topical benefits. When ingested, fluoride is incorporated into developing tooth enamel (systemic effect), and its presence in saliva and dental plaque constantly bathes the tooth surface (topical effect), promoting remineralization.
10According to infection control guidelines, what is the appropriate classification for an instrument that contacts intact mucous membranes but does not penetrate soft tissue?
A.Critical
B.Semi-critical
C.Non-critical
D.Environmental surface
Explanation: Semi-critical instruments are those that contact intact mucous membranes or non-intact skin but do not penetrate soft tissue or bone. Examples include dental mirrors, impression trays, and reusable dental dam clamps, which require high-level disinfection or sterilization.

About the Dental Hygienist Licensing Exam Exam

The DHP Dental Hygienist Qualifying Examination is a computer-based Prometric assessment used in Qatar's practitioner registration and licensing process unless an applicable exemption applies. DHP publishes 150 MCQs, 3 hours, a 50% cut score, and a ten-domain content blueprint.

Exam sponsor: Qatar DHP / Prometric. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

150 questions

Time Limit

3 hours

Passing Score

50%

Exam / Certification Fees

$238 USD effective January 1, 2026

Exam sponsor website

Reported exam pass rate: Not publicly disclosed. DHP publishes a 50% cut score but not the percentage of candidates who pass. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

12 items (8%)

Basic Sciences: Dental Anatomy, Biology, Physiology, and Oral Pathology

Official DHP blueprint allocation.

18 items (12%)

Medical and Dental Histories

Official DHP blueprint allocation.

18 items (12%)

Extra and Intra Oral Examination

Official DHP blueprint allocation.

9 items (6%)

Radiology

Official DHP blueprint allocation.

33 items (22%)

Non-Surgical Periodontal Therapy

Official DHP blueprint allocation.

21 items (14%)

Preventive Therapy

Official DHP blueprint allocation.

16 items (10.7%)

Management of Medical Emergencies and Medically Compromised Patients

Official DHP blueprint allocation.

7 items (4.7%)

Communication Skills

Official DHP blueprint allocation.

8 items (5.3%)

Patient Safety

Official DHP blueprint allocation.

8 items (5.3%)

Professionalism and Ethics

Official DHP blueprint allocation.

Preparing for the Dental Hygienist Licensing Exam Exam

What You Need to Know

  • Passing score: 50%
  • Exam length: 150 questions
  • Time limit: 3 hours
  • Exam / certification fees: $238 USD effective January 1, 2026 Official sources

Using Our Practice Resources

  • Work through all 174 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Dental Hygienist Licensing Exam: Suggested Study Strategy

1Use the official DHP allied-health blueprint and current qualifying-examination page as the controlling scope and format sources.
2Utilize reputable dental hygiene textbooks and online resources for comprehensive content review across all domains.
3Practice with a variety of multiple-choice questions to familiarize yourself with the exam format and identify areas needing further study.
4Create a structured study schedule that allocates dedicated time to each topic area based on its weight and your personal strengths/weaknesses.
5Focus on understanding clinical application and critical thinking rather than just memorization, as many questions will test problem-solving skills.
6Pay close attention to infection control protocols and ethical guidelines, as these are critical components of practice in Qatar.
7Simulate the exam environment by taking timed practice tests to improve time management and reduce test anxiety.

Frequently Asked Questions

What is the Qatar DHP Dental Hygienist Qualifying Examination?

It is a computer-based Prometric assessment used as part of DHP registration and licensing for the Dental Hygienist scope, unless an applicable DHP exemption applies. Passing the exam does not replace the other evaluation and licensing requirements.

How many questions are on the exam and what is the format?

DHP's current qualifying-examination page lists 150 MCQs and 3 hours for Dental Hygienist candidates.

What is the passing score for the DHP Dental Hygienist exam?

The current DHP page publishes a 50% cut score. That is not the same as a candidate pass rate, which DHP does not publish.

Who administers the Qatar Dental Hygienist qualifying exam?

Qatar's Department of Healthcare Professions regulates the requirement, while Prometric provides the computer-based examination and scheduling service. QCHP is the former name shown on some older materials.

Can I retake the DHP Dental Hygienist exam if I fail?

DHP's current page says applicants in the listed practitioner categories may sit for the qualifying exam five consecutive times regardless of the gap between attempts. Each booking is subject to the current Prometric fee and scheduling rules.