200+ Free CDR RD Practice Questions
Pass your Commission on Dietetic Registration Registered Dietitian Exam exam on the first try — instant access, no signup required.
Choose Your Practice Session
Select how many questions you want to practice
Questions by Category
Key Facts: CDR RD Exam
70-80%
First-Time Pass Rate
CDR 2024
125-145
Questions
Variable length
$69,680
Median Salary
BLS 2024
5,800
Annual Job Openings
BLS
45%
Nutrition Care Domain
CDR blueprint
3 hrs
Time Limit
CDR
The CDR RD exam has a 70-80% pass rate for first-time candidates. The exam contains 125-145 scored questions over 3 hours. Domain II (Nutrition Care) accounts for 45% of the exam. Registered dietitians earn a median salary of $69,680 (BLS 2024) with 5,800 annual job openings. A graduate degree will be required starting January 1, 2024.
About the CDR RD Exam
The CDR RD exam is the credentialing examination for registered dietitian nutritionists. It covers four domains: Principles of Dietetics (21%), Nutrition Care for Individuals and Groups (45%), Management of Food and Nutrition Programs (21%), and Foodservice Systems (13%). The exam is computer-based and administered at Pearson VUE testing centers.
Questions
140 scored questions
Time Limit
3 hours
Passing Score
Scaled (approx. 25/50)
Exam Fee
$200-250 (CDR (Commission on Dietetic Registration))
CDR RD Exam Content Outline
Principles of Dietetics
Food science, nutrition science, research, education and communication theories, cultural competency, lifespan nutrition
Nutrition Care for Individuals and Groups
Assessment, diagnosis, MNT, intervention, monitoring/evaluation, disease states, enteral/parenteral nutrition, counseling
Management of Food and Nutrition Programs
Human resources, marketing, financial management, quality improvement, public health nutrition, food safety regulations
Foodservice Systems
Menu planning, procurement, food safety, sanitation, equipment, production and distribution systems
How to Pass the CDR RD Exam
What You Need to Know
- Passing score: Scaled (approx. 25/50)
- Exam length: 140 questions
- Time limit: 3 hours
- Exam fee: $200-250
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 RD Study Tips from Top Performers
Frequently Asked Questions
What is the RD exam pass rate?
The CDR RD exam pass rate is approximately 70-80% for first-time candidates who have completed ACEND-accredited supervised practice programs. Pass rates vary by year and preparation level.
How many questions are on the RD exam?
The CDR RD exam contains 125-145 scored questions plus 20-30 pretest questions. The exam uses variable length testing, so the number of questions varies based on your performance.
What is the RD exam format?
The exam is computer-based with multiple-choice questions. You have 3 hours to complete it. Questions cover 4 domains: Principles of Dietetics (21%), Nutrition Care (45%), Management (21%), and Foodservice Systems (13%).
How do I become a registered dietitian?
Complete a bachelor's degree (graduate degree required starting 2024), complete an ACEND-accredited supervised practice program (1,000+ hours), pass the CDR RD exam, and maintain continuing education requirements.
What is the difference between RD and RDN?
RD (Registered Dietitian) and RDN (Registered Dietitian Nutritionist) are interchangeable credentials. CDR introduced RDN in 2013 to emphasize the nutrition expertise of the profession.