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200+ Free CDR DTR Practice Questions

Pass your Commission on Dietetic Registration Dietetic Technician Registered Exam exam on the first try — instant access, no signup required.

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65-75% Pass Rate
200+ Questions
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Questions by Category

Dtr-Management-Services68 questions
Dtr-Nutrition-Science-Care67 questions
Dtr-Food-Science-Service65 questions
2026 Statistics

Key Facts: CDR DTR Exam

65-75%

First-Time Pass Rate

CDR 2024

110-130

Questions (CAT)

Variable length

$47,630

Median Salary

BLS 2024

5,100

Annual Job Openings

BLS

41%

Nutrition Science Domain

CDR blueprint

3 hrs

Time Limit

CDR

The CDR DTR exam has a 65-75% pass rate for first-time candidates. The computer-adaptive exam contains 110-130 questions over 3 hours. Domain I (Nutrition Science and Care) accounts for 41% of the exam. Dietetic technicians earn a median salary of $47,630 (BLS 2024) with 5,100 annual job openings.

About the CDR DTR Exam

The CDR DTR exam is the credentialing examination for dietetic technicians registered. It covers three domains: Nutrition Science and Care for Individuals and Groups (41%), Food Science and Food Service (21%), and Management of Food and Nutrition Services (38%). The exam is computer-adaptive, with 110-130 questions administered over 3 hours at Pearson VUE testing centers.

Questions

110 scored questions

Time Limit

3 hours

Passing Score

25 (scaled 1-50)

Exam Fee

$160 (CDR/Pearson VUE)

CDR DTR Exam Content Outline

41%

Nutrition Science and Care

Principles of basic nutrition, screening and assessment, care planning, interventions, and monitoring/evaluation for individuals and groups

21%

Food Science and Food Service

Menu development, procurement and supply management, food production and service, sanitation and safety

38%

Management of Food and Nutrition Services

Human resources, finance and materials, marketing, management principles, quality management and regulatory compliance

How to Pass the CDR DTR Exam

What You Need to Know

  • Passing score: 25 (scaled 1-50)
  • Exam length: 110 questions
  • Time limit: 3 hours
  • Exam fee: $160

Keys to Passing

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

CDR DTR Study Tips from Top Performers

1Focus heavily on Domain I (Nutrition Science and Care) - it accounts for 41% of the exam
2Master nutrition assessment tools: BMI, screening methods, and laboratory values
3Know therapeutic diets for common conditions: diabetes, heart disease, renal disease
4Understand food safety temperatures, HACCP principles, and FDA Food Code regulations
5Study basic management principles: budgeting, human resources, and quality improvement
6Review foodservice math: recipe conversion, yield tests, and cost calculations

Frequently Asked Questions

What is the DTR exam pass rate?

The CDR DTR exam pass rate is approximately 65-75% for first-time candidates who have completed ACEND-accredited DTR programs. Pass rates vary by year and preparation level.

How many questions are on the DTR exam?

The CDR DTR exam is computer-adaptive with a minimum of 110 questions to score and a maximum of 130 questions. The exam continues until a reliable pass/fail determination can be made.

What is the DTR exam format?

The exam is computer-adaptive testing (CAT) with multiple-choice questions. You have 3 hours to complete it. Questions cover 3 domains: Nutrition Science and Care (41%), Food Science and Food Service (21%), and Management (38%).

How do I become a dietetic technician registered?

Complete an ACEND-accredited DTR program (associate degree with 450+ supervised practice hours), pass the CDR DTR exam, and maintain continuing professional education requirements (50 CPEUs every 5 years).

What is the difference between DTR and NDTR?

DTR (Dietetic Technician Registered) is the credential. Some DTRs use NDTR (Nutrition and Dietetics Technician Registered) to emphasize their nutrition expertise. Both represent the same credential from CDR.