CDR Study Guide 2026

Everything you need to pass the CDR exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

📋 CDR Exam Format at a Glance

125
Questions
150 min
Time Limit
70.00%
Passing Score

📚 CDR Topics to Study (21)

✍️ Sample CDR Questions & Answers

1. What is the primary indication for using a nasojejunal (NJ) tube instead of a nasogastric (NG) tube?
High risk of aspiration due to gastroparesis or delayed gastric emptying

NJ tubes bypass the stomach and deliver formula directly into the jejunum, significantly reducing aspiration risk in patients with gastroparesis, gastroesophageal reflux, or impaired gastric motility.

2. What is the purpose of peer review in Commission on Dietetic Registration Exam research methods?
To have qualified experts evaluate research quality before publication

Peer review involves independent evaluation of research by qualified experts in the field, assessing methodology, validity, significance, and contribution to knowledge before publication.

3. Which method of enteral nutrition delivery is most appropriate for a patient who cannot tolerate bolus feedings due to delayed gastric emptying?
Continuous infusion over 24 hours

Continuous infusion delivers formula at a slow, steady rate around the clock, minimizing the volume in the stomach at any given time and reducing risk of aspiration and intolerance in patients with delayed gastric emptying.

4. In Commission on Dietetic Registration Exam, what is the primary purpose of patient assessment in clinical nutrition?
To gather comprehensive information about the patient's condition to guide care decisions

Patient assessment systematically gathers information about the patient's physical, psychological, and social condition, forming the foundation for clinical decision-making and care planning.

5. Prior to menopause, women are less likely to be effected by heart disease. In the study of disease epidemiology, gender is known as a:
fixed determinant

Gender is a fixed determinant of disease epidemiology, as it cannot be changed. Other fixed determinants include race and genetics.

6. What are the benefits of becoming a registered dietitian (RD) or dietetic technician, registered (DTR) through the CDR examination?
Career opportunities and professional credibility

Becoming registered through the CDR examination demonstrates expertise and competency in dietetics, enhancing career opportunities and credibility.

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Your CDR Study Path
1. Learn with Flashcards → 2. Drill Practice Tests → 3. Take the Full Exam Simulation