Registered Dietitian (RD) Exam Study Guide 2026-2027
Registered Dietitian (RD) Exam Study Guide 2026-2027
Comprehensive Review, Practice Questions, and Detailed Answer Explanations Aligned with CDR Certification
By Capra Academy · Published June 9, 2026 · 355 pages
About This Book
Comprehensive preparation for the CDR Registered Dietitian examination. Covers principles of dietetics, nutrition care for individuals and groups, medical nutrition therapy, foodservice systems, and management of nutrition programs. Includes macronutrient and micronutrient metabolism, MNT for chronic diseases, enteral and parenteral nutrition, and food safety. Practice questions with detailed rationales.
What’s Inside
- Principles of Dietetics & Food Science
- Medical Nutrition Therapy
- Enteral & Parenteral Nutrition
- Foodservice Systems & Management
- Nutrition Counseling & Education
- Practice Questions with Rationales
Frequently Asked Questions
What is the RD credential?
The RD (Registered Dietitian) from CDR is the premier credential for nutrition professionals. RDs provide medical nutrition therapy, manage nutrition programs, and counsel patients on dietary needs. Since January 2024, a master’s degree is required.
How many questions are on the RD exam?
The RD exam uses computer-adaptive testing with 125-145 questions and a 2.5-hour time limit. The number of questions varies because the test adapts to your performance level.
What score do I need to pass the RD exam?
CDR uses a scaled score of 25 on a 0-50 scale as the passing standard. The specific number of correct answers needed varies by exam form due to the computer-adaptive format.