RD Exam Practice Test CDR 2026 Edition - 150+ Exam-Style Questions with Detailed Explanations | Organic Labeling, Management & Research Methods | Complete Prep Guide

RD Exam Practice Test | CDR Registration
Examination for Dietitians | 2026 Edition |
Complete 150+ Exam-Style Questions with
Detailed Answer Explanations

Question 1
A food product may be labeled "Made with Organic Ingredients" if _____% of the
finished product's ingredients meet organic criteria.
A. 50
B. 60
C. 70
D. 80
Correct Answer: C
Explanation: For "Made with Organic Ingredients" label, at least 70% of the product
must be certified organic (excluding salt and water).


Question 2
Which of the following techniques offers the least constructive information to someone
being disciplined?
A. Providing advice
B. Focusing on behavior
C. Providing alternatives
D. Focusing on observations
Correct Answer: A
Explanation: The purpose of disciplining is to provide constructive information.
Providing advice is not constructive; feedback should focus on ideas and information,
not advice.


Question 3
Which of the following is NOT a component of meta-analysis?


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,A. Inclusion criteria are clearly defined
B. Peer-reviewed data are preferred
C. Studies must have a similar design
D. Data are presented in a narrative manner
Correct Answer: D
Explanation: Meta-analysis uses studies with similar design, defines inclusion criteria,
and uses peer-reviewed articles. Data are not required to be presented in a narrative
manner.


Question 4
What elements comprise the marketing mix?
A. Product, price, promotion, and place
B. Price, product, popularity, and process
C. Product, promotion, position, and popularity
D. Product, place, position, and process
Correct Answer: A
Explanation: Marketing mix is a combination of product, price, place, and promotion
to achieve organizational objectives.


Question 5
Which agency approves the use of food additives in breakfast cereal?
A. US Department of Agriculture (USDA)
B. Environmental Protection Agency (EPA)
C. Food and Drug Administration (FDA)
D. Federal Trade Commission (FTC)
Correct Answer: C
Explanation: The FDA regulates use of food additives, including coloring agents
considered safe for human consumption.


Question 6
Which of the following characteristics is key to an efficient and effective system?


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,A. Continuous response and adaptation to the system
B. Flow of resources
C. Interdependency of parts
D. Achievement of subunit objectives
Correct Answer: C
Explanation: Interdependency is the reciprocal relationship of the parts of a system;
each part mutually affects the performance of the others.


Question 7
One advantage of using a crossover design over a parallel design is:
A. A shorter study duration
B. A smaller sample size
C. A reduction in variability
D. A washout period is not needed
Correct Answer: C
Explanation: Crossover design uses the same subjects who serve as the control, hence
a reduction in variability.


Question 8
Customer and employee satisfaction are both:
A. Functions of management
B. Linking processes
C. Environmental factors
D. Outputs of the foodservice system
Correct Answer: D
Explanation: Customer and employee satisfaction and financial accountability are
desired outcomes (outputs) in a foodservice system.


Question 9
Which of the following must be true for a food to be labeled "low fat"?
A. Contains less than 0.5 g fat per serving
B. Contains less than 3 g fat per serving
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, C. Contains 25% less fat than the full-fat food
D. Contains 1/3 fewer calories or 50% less fat than the full-fat food
Correct Answer: B
Explanation: To be labeled "low fat," a serving must contain less than 3 g fat.


Question 10
Diagnosis is the second step in the Academy's Nutrition Care Process and Model. Part of
the Diagnosis step is to document PES. PES stands for _____.
A. Problem, Etiology, Signs and Symptoms
B. Plan, Education, Significant Results
C. Proposal, Efficacy, Strategies
D. Policy, Establish, Skills
Correct Answer: A
Explanation: PES stands for Problem, Etiology, Signs and Symptoms.


Question 11
Dietetic students finishing supervised practice should be able to utilize food and
nutrition management systems, work with electronic health records, and:
A. Prescribe TPN formulas
B. Create organizational mission statements
C. Generate appropriate statistical analyses
D. Print client educational materials
Correct Answer: D
Explanation: Entry-level practitioners need awareness of informatics skills including
electronic health records, food and nutrition management systems, and educational
print materials.


Question 12
Daily Values are nutrient standards derived from the Daily Reference Values and the:
A. Reference Daily Intakes
B. Recommended Dietary Intakes


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