58+ Free DANB NELDA Practice Questions

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Question 1

Score: 0/0

During chart review before seating the patient, which option is MOST correct in this context?

Universal numbering uses Roman numerals for permanent teeth only.

Primary dentition includes premolars, giving a total of 24 primary teeth.

Molars are mainly designed for incising while incisors are for grinding.

Enamel covers the crown and is the hardest tissue, while dentin surrounds the pulp and can transmit sensitivity.

to track

2026 Statistics

Key Facts: DANB NELDA Exam

230

Total NELDA Questions

DANB NELDA 2026 packet

180 min

Total Exam Time

DANB NELDA 2026 packet

$230

NELDA Package Fee

DANB NELDA 2026 packet

80/75/75

AMP/ICE/RHS Split

DANB NELDA 2026 packet

381,900

Dental Assistant Jobs (2024)

BLS OOH

Projected Growth (2024-2034)

BLS OOH

DANB's NELDA 2026 application packet lists a 230-question package in 180 total minutes for $230: AMP (80 questions/60 min), ICE (75 questions/60 min), and RHS (75 questions/60 min). DANB's exam outlines list ICE domain weights at 34/41/25 and RHS at 50/25/25. BLS reports 381,900 dental assistant jobs in 2024 with 8% projected growth from 2024-2034.

Sample DANB NELDA Practice Questions

Try these sample questions to test your DANB NELDA exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 58+ question experience with AI tutoring.

1During chart review before seating the patient, which option is MOST correct in this context?

A.Universal numbering uses Roman numerals for permanent teeth only.

B.Primary dentition includes premolars, giving a total of 24 primary teeth.

C.Molars are mainly designed for incising while incisors are for grinding.

D.Enamel covers the crown and is the hardest tissue, while dentin surrounds the pulp and can transmit sensitivity.

Explanation: AMP items test baseline knowledge of tooth anatomy, dentition patterns, notation, and oral-structure function. In this case, the best answer is: Enamel covers the crown and is the hardest tissue, while dentin surrounds the pulp and can transmit sensitivity.

2When retakes are increasing during quality review, which step BEST supports ALARA and image quality?

A.Use the same high settings for all patients regardless of size and indication.

B.Use a full-mouth series by default even when a focused view is indicated.

C.Evaluate image quality immediately and correct technique factors before repeating an exposure.

D.Skip stabilization devices to speed up patient flow.

Explanation: RHS performance depends on indication-based image selection, geometry control, ALARA practices, and systematic retake reduction. In this case, the best answer is: Evaluate image quality immediately and correct technique factors before repeating an exposure.

3In an entry-level anatomy review session, which choice BEST reflects foundational dental anatomy/physiology?

A.Primary dentition includes premolars, giving a total of 24 primary teeth.

B.Molars are mainly designed for incising while incisors are for grinding.

C.Universal numbering uses Roman numerals for permanent teeth only.

D.The Universal Numbering System identifies permanent teeth as 1-32 and primary teeth as A-T.

Explanation: AMP items test baseline knowledge of tooth anatomy, dentition patterns, notation, and oral-structure function. In this case, the best answer is: The Universal Numbering System identifies permanent teeth as 1-32 and primary teeth as A-T.

4While troubleshooting overlapped contacts, which action is MOST appropriate?

A.Increase exposure time first whenever contact overlap occurs.

B.Skip stabilization devices to speed up patient flow.

C.Retake images repeatedly without identifying root-cause positioning errors.

D.Select the radiographic view based on clinical indication and minimize retakes through correct positioning/alignment.

Explanation: RHS performance depends on indication-based image selection, geometry control, ALARA practices, and systematic retake reduction. In this case, the best answer is: Select the radiographic view based on clinical indication and minimize retakes through correct positioning/alignment.

5When confirming dentition details in the record, which option is MOST correct in this context?

A.Primary dentition includes premolars, giving a total of 24 primary teeth.

B.Incisors are primarily for cutting, canines for tearing, and molars for grinding during mastication.

C.Cementum is the outer crown surface and enamel covers the root.

D.Tooth notation can be finalized after treatment without pre-procedure verification.

Explanation: AMP items test baseline knowledge of tooth anatomy, dentition patterns, notation, and oral-structure function. In this case, the best answer is: Incisors are primarily for cutting, canines for tearing, and molars for grinding during mastication.

6During chart review before seating the patient, what is the BEST answer for an entry-level assistant?

A.Cementum is the outer crown surface and enamel covers the root.

B.Enamel covers the crown and is the hardest tissue, while dentin surrounds the pulp and can transmit sensitivity.

C.Molars are mainly designed for incising while incisors are for grinding.

D.Tooth notation can be finalized after treatment without pre-procedure verification.

7While preparing for a restorative setup, which choice BEST reflects foundational dental anatomy/physiology?

A.Primary dentition includes premolars, giving a total of 24 primary teeth.

B.Universal numbering uses Roman numerals for permanent teeth only.

C.Molars are mainly designed for incising while incisors are for grinding.

D.Accurate tooth/surface notation should be confirmed before chart entry to prevent wrong-site documentation errors.

Explanation: AMP items test baseline knowledge of tooth anatomy, dentition patterns, notation, and oral-structure function. In this case, the best answer is: Accurate tooth/surface notation should be confirmed before chart entry to prevent wrong-site documentation errors.

8During a pediatric radiography appointment, which action is MOST appropriate?

A.Retake images repeatedly without identifying root-cause positioning errors.

B.Skip stabilization devices to speed up patient flow.

C.Use receptor stabilization and patient coaching to reduce motion artifact before exposure.

D.Use a full-mouth series by default even when a focused view is indicated.

Explanation: RHS performance depends on indication-based image selection, geometry control, ALARA practices, and systematic retake reduction. In this case, the best answer is: Use receptor stabilization and patient coaching to reduce motion artifact before exposure.

9While troubleshooting overlapped contacts, what should the assistant prioritize first?

A.Increase exposure time first whenever contact overlap occurs.

B.Select the radiographic view based on clinical indication and minimize retakes through correct positioning/alignment.

C.Skip stabilization devices to speed up patient flow.

D.Use a full-mouth series by default even when a focused view is indicated.

Explanation: RHS performance depends on indication-based image selection, geometry control, ALARA practices, and systematic retake reduction. In this case, the best answer is: Select the radiographic view based on clinical indication and minimize retakes through correct positioning/alignment.

10During sterilization area workflow review, what should be done first?

A.Rinse instruments and store them unbagged until the end of day for batch sterilization.

B.Use standard precautions only when a patient reports a known infectious condition.

C.Follow exposure protocol immediately after sharps incidents, including first aid, reporting, and source/evaluation steps.

D.Remove mask and eye protection before contaminated gloves during doffing.

Explanation: ICE content emphasizes universal precautions, validated instrument processing, environmental controls, and immediate exposure response. In this case, the best answer is: Follow exposure protocol immediately after sharps incidents, including first aid, reporting, and source/evaluation steps.

About the DANB NELDA Exam

The DANB NELDA credential is an entry-level dental assistant pathway made up of three component exams: AMP (Anatomy, Morphology, and Physiology), ICE (Infection Control), and RHS (Radiation Health and Safety).

Questions

230 scored questions

Time Limit

180 minutes total

Passing Score

Pass all 3 components (AMP, ICE, RHS)

Exam Fee

$230 package (DANB / Pearson VUE)

DANB NELDA Exam Content Outline

80 questions / 60 min

AMP (Anatomy, Morphology, and Physiology)

Head/neck anatomy, tooth morphology, dentition foundations, oral structures, and terminology for entry-level assisting

75 questions / 60 min

ICE (Infection Control)

Disease transmission, instrument processing, barriers/disinfection, hazard communication, and post-exposure response workflow

75 questions / 60 min

RHS (Radiation Health and Safety)

Image selection and technique, radiation characteristics/protection, ALARA, digital quality checks, and error correction

How to Pass the DANB NELDA Exam

What You Need to Know

Passing score: Pass all 3 components (AMP, ICE, RHS)
Exam length: 230 questions
Time limit: 180 minutes total
Exam fee: $230 package

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

DANB NELDA Study Tips from Top Performers

1Master AMP fundamentals first (dentition counts, tissue basics, notation) because they anchor many applied questions

2Memorize full instrument-processing flow from chairside transport through sterilized storage

3Practice RHS geometry troubleshooting daily (overlap, cone cuts, elongation/foreshortening, motion artifact)

4Use timed component drills to simulate 60-minute AMP/ICE/RHS windows

5Track misses by component and rebalance study time weekly toward the weakest domain

Frequently Asked Questions

What is the DANB NELDA exam format?

DANB's 2026 NELDA application packet lists three component exams totaling 230 questions in 180 minutes: AMP (80/60), ICE (75/60), and RHS (75/60).

How much does the NELDA package cost?

DANB's posted 2026 NELDA packet lists the package fee at $230.

What is tested most heavily on ICE and RHS?

DANB's outlines list ICE domain weights as Infection Prevention and Control (34%), Sterilization/Disinfection (41%), and Occupational Safety (25%). RHS is weighted Purpose and Technique (50%), Radiation Characteristics/Protection (25%), and Infection Prevention/Control (25%).

Where is NELDA tested?

DANB lists Pearson VUE testing-center delivery for NELDA component exams.

How should I prepare for NELDA efficiently?

Use component-based study blocks: rotate AMP fundamentals, then ICE workflows, then RHS retake-reduction drills. Practice in timed sets of 25-50 questions and review rationales immediately after each set.