Professional & Trading
RD / RDN Exam Prep — 120 CDR Domain Flashcards
120 CDR-domain cards (Principles, Nutrition Care, Management, Foodservice) with explanations — pairs with the free 120-question RD readiness check before Pearson VUE.
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Free practice test
Free RD Exam Practice Test 2026 | 120 Questions Online
Same RD Exam exam — run the linked 120-question timed check for topic scoring and a pass/no-pass report before you buy the deck.
Take free 120-question RD Exam practice testSample cards
Which macronutrient provides approximately 4 kcal/g?
Carbohydrate and protein
The RDA is defined as:
Average daily intake sufficient to meet nutrient needs of nearly all (97–98%) healthy individuals in a group
Which lipoprotein is primarily responsible for reverse cholesterol transport to the liver?
HDL
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Get 120-Card RD Exam Deck — $11 USDProduct facts
- Cards
- 120
- Coverage
- Principles of dietetics; Nutrition care for individuals and groups; Management of food and nutrition programs; Foodservice systems
- Format
- .apkg
- Price
- $11 USD
- Checkout
- Gumroad
- Exam cycle
- Current exam cycle
- Delivery
- Digital .apkg through Gumroad (instant download)
Coverage by exam topic
| Topic | Exam weight | Cards |
|---|---|---|
| Principles of dietetics | 21% | 30 |
| Nutrition care for individuals and groups | 45% | 30 |
| Management of food and nutrition programs | 21% | 30 |
| Foodservice systems | 13% | 30 |
Exam facts
Registration Examination for Dietitians (RD / RDN exam)
The Registration Examination for Dietitians from the Commission on Dietetic Registration (CDR) is the national exam step to become a Registered Dietitian Nutritionist (RDN) after ACEND-accredited education and supervised practice. UniPrep2Go products are independent prep — not CDR exam material.
- Questions
- Computer-adaptive, 125–145 total items (100–120 scored + 25 unscored pretest)
- Time
- 3 hours
- Passing score
- Scaled score of 25 or greater (verify current handbook at cdrnet.org)
- Scoring
- Scaled score 1–50
- Delivery
- Pearson VUE testing centers / CDR-authorized delivery (verify current options in the RD Handbook)
- Administered by
- Commission on Dietetic Registration (CDR)
Knowledge domains and weights
| Domain | Weight |
|---|---|
| Principles of Dietetics | 21% |
| Nutrition Care for Individuals and Groups | 45% |
| Management of Food and Nutrition Programs and Services | 21% |
| Foodservice Systems | 13% |
High-yield facts (commonly tested)
- The RD exam is computer-adaptive and variable length: minimum 125 items (100 scored + 25 pretest), maximum 145 (120 scored + 25 pretest).
- Passing requires a scaled score of 25 or higher on a 1–50 scale — the number of raw correct answers needed varies by form.
- Current outline (2022–2026): Principles 21%, Nutrition Care 45%, Management 21%, Foodservice 13%.
- Eligibility requires ACEND-accredited education pathway and supervised practice before CDR authorizes the exam.
- Nutrition Care Process (ADIME) and PES statements are core clinical judgment themes.
- Foodservice and management domains still appear on every exam — do not skip sanitation, procurement, or HR/finance basics.
Common Registration Examination for Dietitians (RD / RDN exam) questions
Straight answers to the questions candidates usually search before buying prep or booking the exam.
How many questions are on the CDR RD exam?
It is computer-adaptive: you will see 125–145 total questions, including 25 unscored pretest items. You must complete at least 125 items for a scored report.
What score do you need to pass the RD exam?
A scaled score of 25 or greater on a 1–50 scale. Confirm the current handbook wording at cdrnet.org before you schedule.
What domains does the RD exam cover?
Four domains under the 2022–2026 specifications: Principles of Dietetics (21%), Nutrition Care for Individuals and Groups (45%), Management of Food and Nutrition Programs and Services (21%), and Foodservice Systems (13%).
Is UniPrep2Go’s RD readiness check the official CDR exam?
No. The free 120-question check and 120-card Anki deck are independent study aids mapped to CDR domain themes — not official CDR exams or Pearson VUE items.
Verify current exam fees, scheduling, and administrative details at www.cdrnet.org/rd-handbook. Independent study aid — not official exam material.
More about RD ExamStudy tips, positioning, and how this deck compares
RD exam Anki flashcards
CDR domain-weighted prompts: Principles of Dietetics, Nutrition Care (PES/ADIME), Management of Food and Nutrition Programs, and Foodservice Systems. Explanations name why distractors fail. Take the free 120-question RD readiness check first, then filter Anki to weak domains — not a random 2,000-card clinical dump.
Built for: Candidates preparing for the CDR (Commission on Dietetic Registration) RD Exam pathway who want spaced repetition after a free timed readiness check.
Covers: Principles of dietetics; Nutrition care for individuals and groups; Management of food and nutrition programs; Foodservice systems.
- Spaced-repetition flashcards
- 120 exam-focused flashcards
- Topic coverage table and samples on this page
- Linked free 120-question practice test
How this deck compares
120 cards for RD Exam matches the current principles of dietetics; nutrition care for individuals and groups; management of food and nutrition programs; foodservice systems in the coverage table — sized for daily review, not maximum download size. Start with the free 120-question RD Exam practice test, then drill weak rows from the table.
| Approach | Typical size | Tradeoffs |
|---|---|---|
| Free community decks | 1,000–3,000 |
|
| Budget mega-packs | 1,000+ |
|
| This deck | 120 exam-focused flashcards |
|
RD Exam study guide
What is inside
120 MCQ cards aligned to the CDR Registration Examination for Dietitians domains: Principles of Dietetics (21%), Nutrition Care for Individuals and Groups (45%), Management of Food and Nutrition Programs and Services (21%), and Foodservice Systems (13%). Every card includes a correct explanation and notes on why the other options fail — the same bank themes as the free timed readiness check.
2–3 week study plan with the free mock
**Week 1:** 15–20 new cards/day across principles and nutrition care (PES / ADIME, macros, MNT themes). **Week 2:** Add foodservice and management cards; sit the [free 120-question RD readiness check](/mock-exams/rd-exam-readiness-check). **Final days:** Review-only Anki on weak topics from the report — keep official CDR handbook timing practice separate (3-hour adaptive exam, scaled pass 25/50).
Pitfalls this deck targets
Candidates over-focus on clinical MNT and under-drill foodservice sanitation, procurement, and management finance. Cards force all four CDR domains under spaced recall, not just favorite clinical topics. This is not a recycled nursing or personal-trainer bank.
What this does not replace
ACEND education, supervised practice, and the official CDR / Pearson VUE exam. This deck is independent prep — not CDR material.
Registration Examination for Dietitians (RD / RDN exam) & product FAQ
How many questions are on the CDR RD exam?
It is computer-adaptive: you will see 125–145 total questions, including 25 unscored pretest items. You must complete at least 125 items for a scored report.
What score do you need to pass the RD exam?
A scaled score of 25 or greater on a 1–50 scale. Confirm the current handbook wording at cdrnet.org before you schedule.
What domains does the RD exam cover?
Four domains under the 2022–2026 specifications: Principles of Dietetics (21%), Nutrition Care for Individuals and Groups (45%), Management of Food and Nutrition Programs and Services (21%), and Foodservice Systems (13%).
Is UniPrep2Go’s RD readiness check the official CDR exam?
No. The free 120-question check and 120-card Anki deck are independent study aids mapped to CDR domain themes — not official CDR exams or Pearson VUE items.
Is there a free RD Exam practice test?
Yes. Take the linked readiness check at https://uniprep2go.study/mock-exams/rd-exam-readiness-check before you buy — topic scoring shows what to drill in the deck.
Is this official exam material?
No. Independent UniPrep2Go study aid — not affiliated with or endorsed by CDR (Commission on Dietetic Registration).
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Last updated 2026-08-06.