Exam Comparison
RDN vs CRT
Comparing the CDR Registered Dietitian Nutritionist Exam (RDN) and the NBRC Certified Respiratory Therapist (CRT). Both fall under Allied Health & Medicine. Both are covered by the Allied Health Exam Prep app.
RDN vs CRT: At a Glance
| Detail | RDN | CRT |
|---|---|---|
| Full Name | CDR Registered Dietitian Nutritionist Exam (RDN) | NBRC Certified Respiratory Therapist (CRT) |
| Governing Body | CDR | NBRC |
| Number of Questions | , | 160 |
| Time Limit | 3 hours | 3 hours |
| Passing Score | 25 scaled (1-50 scale) | Raw cut score (low TMC cut, value not published) |
| Exam Fee | $250 USD | $190 new applicant / $150 repeat applicant |
| Category | Allied Health & Medicine | Allied Health & Medicine |
| C3RT App | Allied Health Exam Prep Soon | Allied Health Exam Prep Soon |
Content Areas Compared
RDN Domains
- Principles of Dietetics(12%)
- Nutrition Care for Individuals and Groups(50%)
- Management of Food and Nutrition Programs and Services(21%)
- Support of Research(17%)
CRT Domains
- Patient Data Evaluation and Recommendations(30%)
- Troubleshooting and Quality Control(18%)
- Initiation and Modification of Interventions(52%)
- Patient Education and Special Populations
Frequently Asked Questions
What is the difference between RDN and CRT?
The RDN (CDR Registered Dietitian Nutritionist Exam (RDN)) is administered by CDR. The CRT (NBRC Certified Respiratory Therapist (CRT)) is administered by NBRC and consists of 160 questions. Both are Allied Health & Medicine credentials.
Can I take both the RDN and the CRT?
Yes, the RDN and CRT are separate credentials with separate eligibility requirements. Each is awarded by a different governing body (CDR and NBRC respectively). Check the official requirements for each before registering.
Which should I take first, RDN or CRT?
The right sequence depends on your career goals and current credentials. The RDN is offered by CDR with a passing score of 25 scaled (1-50 scale), while the CRT is offered by NBRC with a passing score of Raw cut score (low TMC cut, value not published). Review the eligibility requirements for each with the respective governing bodies before deciding.
Does C3RT cover both the RDN and the CRT?
C3RT is building apps for both the RDN and the CRT. Both will be available on iOS and Mac.
The CDR Registered Dietitian Nutritionist Exam (RDN) is administered by CDR. The NBRC Certified Respiratory Therapist (CRT) is administered by NBRC. C3RT is not affiliated with either organisation. Certification names and trademarks are the property of their respective owners.