The NMC CBT is the computer-based part of the Test of Competence. Prepare for its numeracy and clinical questions using the blueprint and candidate materials for your nursing field. This guide shows how to organise revision, work through calculations, and explain the reasoning behind an answer.
Check where the CBT fits in overseas nurse registration, revise the NMC Code’s four themes, and plan separately for the practical OSCE.
Learning outcomes
- Identify official CBT preparation resources
- Connect clinical questions to professional standards
- Explain safe numeracy practice
- Create a revision approach based on rationales
1. Confirm the test category and current blueprint
NMC arrangements differ by nursing or midwifery field. Candidates must use the official preparation materials for the route that applies to them. The CBT includes clinical and numeracy components; read current candidate information for the structure, allowed resources and pass requirements.
2. Clinical knowledge domains
Core study areas should include patient assessment, infection prevention, medicines safety, communication, professional accountability, person-centred care, deterioration and safeguarding. Link every topic to a concrete nursing decision and ask what information is missing before an action can be justified.
3. Numeracy as a patient-safety skill
Practise interpreting units, estimating whether a result is plausible, checking the medication order and documenting calculations. Numeracy questions should never become a licence to perform unsupervised dosage decisions in clinical settings. Focus on unit consistency and validation.
4. Reading a clinical scenario
Identify the patient’s immediate condition, then distinguish confirmed facts from speculation. Ask whether an action falls within the nurse’s competence and whether urgent escalation is required. Distractors often sound plausible but bypass identity checks, consent, medication verification or safety.
5. A structured revision cycle
Start with official topic documents. For each weak area, write a concise conceptual summary, study two contrasting patient scenarios and review the underlying reference. Then attempt original timed MCQs through the dedicated practice mode, examine rationales and revisit weak concepts.
6. Exam-day and post-exam administration
Use the NMC-authorised booking platform and identity requirements. Read official arrival and conduct instructions. Confirm outcomes through the proper channels and follow current policies for any retake. Do not trust messages selling guaranteed results or claiming access to confidential test content.
CBT revision tasks and what they test
| Concept | Meaning | Key distinction |
|---|---|---|
| Official blueprint | Defines assessed domains | Use your specific registration field |
| Clinical knowledge | Application of nursing principles | Patient-centred safety reasoning |
| Numeracy | Units, orders and plausibility | Double-check calculations and authority |
| Practice questions | Formative knowledge checks | Not official live CBT items |
| Exam guidance | Booking and resit conditions | Can change over time |
A practical CBT revision cycle
Schematic educational flowchart. Follow the authorised clinical or regulatory process where applicable.
Applied case: A learner repeatedly misses medicines numeracy items despite knowing formulas.
Review dimensional analysis, unit conversion and how to check whether the answer is sensible. In real practice, medication administration still requires local policy and an authorised prescription.
Regulatory caution: My Nursing Hub is an independent educational resource and is not affiliated with or endorsed by the UK Nursing and Midwifery Council. Requirements, fees and exam arrangements may change. The current NMC website is authoritative.
CBT format, numeracy and a four-week study plan
Correct CBT structure and field selection
The NMC nursing Test of Competence CBT contains Part A, 15 numeracy questions with 30 minutes, and Part B, 100 clinical multiple-choice questions with 2 hours 30 minutes. A numeracy answer may require a number and, for some items, units. The four-option clinical questions assess application as well as recall. Exam codes vary by nursing field, for example RNA adult nursing, RNMH mental health, RNLD learning disabilities and RNC children’s nursing; selecting a different field can make the sitting unusable for the intended registration application.
Numeracy: six topics and units that can cause harm
For step-by-step calculation arithmetic, review our nursing dosage calculations and dimensional-analysis examples; then apply the current official NMC test specifications and locally required medication-safety checks.
Official test specifications address measuring the correct dose, metric units, oral medicines, injections, intravenous infusions and fluid balance. Safe calculation starts with identifying what the question asks and ensuring units match. In a supervised educational example, a fluid chart shows 250 mL oral intake and 150 mL IV intake with 325 mL recorded output. Recorded balance is +75 mL. This arithmetic alone does not establish whether the person needs additional fluid: unmeasured losses, clinical status and the prescribed fluid plan matter.
Clinical Part B: learn to select the safest response
Questions can cover professional accountability, assessment, person-centred communication, medicines management, infection prevention, evidence-based care, teamwork and escalation. When two options appear plausible, identify the immediate threat and whether the action lies within the registered nurse’s competence. Choose an answer that prioritises assessment, patient safety, verified information and appropriate escalation; avoid actions that change prescriptions or ignore consent without justification.
A four-week revision cycle based on errors
Week 1: map the official blueprint and complete a diagnostic set by topic. Week 2: revise weak concepts using the NMC proficiencies and authoritative clinical material. Week 3: practise applied patient-safety cases and numeracy problems under appropriate time limits. Week 4: use official Pearson practice resources and review errors by category: knowledge gap, misread stem, unit error or unsafe priority. A study log with the question concept, the reason for the mistake and the corrective reference is more valuable than repeating a guessed answer key.
Test-day checks and common preventable mistakes
Use the correct candidate account, field-specific exam code and booking confirmation. Follow Pearson’s ID and centre instructions as published for your sitting. Do not confuse NMC nursing CBT with the nursing associate version, even though question counts may look similar. Confirm the latest resit rules and waiting periods from the regulator. My Nursing Hub practice materials should clearly disclose that they are original revision exercises, not leaked or official exam items.
Reference table: verified details and exceptions
| Part | Official structure | Revision emphasis |
|---|---|---|
| A: Numeracy | 15 questions / 30 min | Units, dose reasoning, fluids |
| B: Clinical | 100 questions / 150 min | Safe application of proficiencies |
| Total | 115 questions / 180 min | Two-part preparation and field selection |
| Adult nursing code | RNA | Use correct nursing field |
| Mental health code | RNMH | Use correct nursing field |
Worked scenario: where students commonly go wrong
A practice numeracy result differs by a factor of 1,000. Stop and recheck whether the quantity is expressed in grams or milligrams, inspect the question’s wording and repeat the unit conversion independently. In practice, discrepant calculations must be resolved through medicines policy and qualified checks, not administered on the assumption the answer “looks close”.
Three questions answered
How many questions are in the NMC CBT?
For nursing, 115 across Part A numeracy and Part B clinical.
Is Part A only multiple choice?
Part A contains short-answer numeracy items, unlike four-option Part B clinical MCQs.
Where are official practice questions?
The NMC links to Pearson Professional Assessments practice materials; use those to familiarise yourself with the format.
Key official sources for this expanded content
- NMC CBT information and exam codes (accessed and reviewed October 2026)
- NMC ToC nursing preparation materials (accessed and reviewed October 2026)
- NMC seven platforms (accessed and reviewed October 2026)
Study-note status: Editorial research verification completed 10 October 2026. This page is published as an educational study note. Clinical accuracy and suitability have not yet been independently reviewed. Faizan’s editorial review is pending. This independent resource is not affiliated with the NMC.
References and verification
For official practice, use the NMC CBT practice tests hosted by Pearson. Choose your nursing field and Part A or Part B. My Nursing Hub’s own questions are independent study exercises.
Editorial review: Prepared 10 October 2026 for review by Faizan. Content has not been independently clinically peer-reviewed; review current standards before practical use. MCQs: Questions belong in the separate Nursing general Nursing Practice Mode (chapter-specific questions being developed), not within these lessons.