CNSC Practice Test 2026 — Free CNSC Exam Prep Questions
The CNSC exam is a multidisciplinary board certification for dietitians, nurses, pharmacists, physicians and advanced practice providers who manage enteral and parenteral nutrition. Our original case-based questions follow the NBNSC content outline and include worked PN and EN calculations; every answer choice is explained.
In a randomized trial, the infection rate was 20% with standard care and 15% with an enteral nutrition protocol. What is the number needed to treat (NNT) to prevent one infection?
CNSC format, scoring & key facts
Computer-based at Prometric test centers or by live remote proctoring, during two 2-week testing windows per year.
Facts last verified Oct 5, 2026. Source: nutritioncare.org/nbnsc/wp-content/uploads/sites/9/2025/02/cnsc-candidate-handbook-2026-updated-06102026.pdf. Always confirm details with NBNSC before your exam.
When can you take the CNSC?
Plan backwards from your exam date
What the CNSC covers
Every PrepBanq CNSC test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Nutrition AssessmentScreening and evaluation: malnutrition diagnosis, NFPE, anthropometrics, refeeding risk, and fluid, energy and nutrient requirements. | 31% | ~68 | 8 questions → |
Clinical ManagementInitiating, monitoring and modifying EN and PN: access, formulation and rates, tolerance, complications, drug-nutrient interactions and transitions. | 57% | ~125 | 14 questions → |
Process ManagementPolicies and procedures, guidelines and standards of practice, education materials and continuous quality improvement. | 5% | ~11 | 1 questions → |
Professional PracticeEthical and legal principles and the evaluation of scientific literature for evidence-based nutrition support. | 7% | ~15 | 2 questions → |
Your path to passing the CNSC
Diagnostic
Free test across every content areaTargeted practice
Drill your weakest areas firstReview
Every option explainedFull simulation
Real format and timingReady
Book your exam with confidenceCNSC practice tests
All CNSC tests →The full CNSC question bank is on its way
All CNSC practice tests here are free right now. Leave your email and we'll tell you when the complete question bank, full-length simulations and readiness tracking launch.
CNSC FAQ
How many questions are on the CNSC?
The CNSC has 250 questions (220 of them scored) and you have 4 hours to finish. Question types: Multiple choice (220 scored + 30 unscored pretest items).
How long is the CNSC exam?
Testing time for the CNSC is 4 hours.
What is the passing score for the CNSC?
CNSC passing standard: 500 (scaled). Score range: 200–800.
What is on the CNSC?
The CNSC covers Nutrition Assessment (about 31%), Clinical Management (about 57%), Process Management (about 5%), Professional Practice (about 7%).
Who administers the CNSC?
The Certified Nutrition Support Clinician (CNSC) Exam is administered by NBNSC. Delivery: Computer-based at Prometric test centers or by live remote proctoring, during two 2-week testing windows per year.
Is there a free CNSC practice test?
Yes. PrepBanq has 3 free CNSC practice tests with 25 exam-style questions in the real CNSC formats, and every answer is explained. No credit card is needed.
CNSC practice test reviews
No reviews yet. Took a free CNSC practice test? Tell other test-takers how it went.
Related nutrition exams
Your CNSC prep starts with one free test.
Instant score report · no credit card.