The NMC Code Explained: What Every Internationally Educated Nurse Needs to Know for the CBT

Why the NMC Code Matters for the CBT
The NMC Code is the foundation of registered nursing practice in the United Kingdom. Published by the Nursing and Midwifery Council, it sets out the professional standards that all registered nurses, midwives, and nursing associates must meet. It is not a suggestion or a best practice guide — it is the enforceable standard against which your fitness to practise will be judged.
For the CBT, the NMC Code is the single most important document you need to study. A large proportion of the questions in the professional and ethical practice topic area — and a significant number of questions across other areas too — test your ability to apply the Code's principles to realistic clinical and professional scenarios.
Nurses who try to answer these questions based on intuition or general nursing knowledge often choose the plausible-but-wrong answer. Nurses who know the Code and understand what it requires of them in specific situations are the ones who get these questions right.
This guide walks through the four themes of the NMC Code and explains what each means in practice and how it is tested in the CBT.
The Four Themes of the NMC Code
Theme 1: Prioritise People
The first theme of the NMC Code establishes the primacy of the patient. As a registered nurse, your first duty is to the people in your care, not to your employer, your team, or your professional convenience.
Key principles under this theme:
Treat people as individuals and uphold their dignity. Every patient deserves to be treated with respect, compassion, and dignity regardless of their background, beliefs, or behaviour. CBT questions may present scenarios involving a patient who is difficult, aggressive, or whose lifestyle choices you disagree with. The Code requires you to continue providing respectful, non-judgemental care.
Ensure people are not discriminated against. The Code prohibits discrimination on any grounds. This aligns with the Equality Act 2010's protected characteristics. If a question presents a scenario where a patient is being treated differently because of their age, race, disability, or religion, the correct response under the Code is to challenge this and ensure equitable care.
Act as an advocate for the vulnerable. Where patients are unable to advocate for themselves — due to illness, cognitive impairment, language barriers, or other factors — the nurse has a duty to act in their interests. This is particularly relevant in questions about consent, mental capacity, and safeguarding.
Respect people's right to privacy and confidentiality. Patient information must be protected. You should only share information when there is a legitimate reason to do so, and in most cases patients must consent to information sharing. However, confidentiality is not absolute — it can be overridden where there is a risk of serious harm to the patient or others. The Code and the CBT both test your ability to identify when disclosure without consent is justified.
Gain consent before providing care. Valid consent requires that the patient has the capacity to decide, has been given sufficient information, and is acting voluntarily without coercion. For the CBT, key scenarios include: what to do when a patient lacks capacity (apply the Mental Capacity Act), what to do when a patient refuses treatment (respect the decision if they have capacity, even if you disagree), and what to do when a patient cannot communicate their wishes.
Practise professional and ethical practice questions — many of the scenario questions in this topic area test the prioritise people theme directly.
Theme 2: Practise Effectively
The second theme covers your obligations to maintain your competence, work within your scope of practice, communicate effectively, and record information accurately.
Key principles under this theme:
Maintain your knowledge and skills. The Code requires you to keep your clinical knowledge and skills up to date. You must only practise in areas where you have the required competence. If you are asked to perform a task outside your competence, you must decline and escalate to someone competent to perform it. CBT questions on this theme often present scenarios where a nurse is asked to take on a task they are not trained for — the correct answer is to decline and escalate, not to attempt the task regardless.
Work cooperatively. Effective teamwork is a professional obligation, not just a practical preference. The Code requires you to work cooperatively with colleagues, share information openly, and support others. In the CBT context, this often means questions about delegation, handover, and multidisciplinary team communication.
Communicate clearly. Documentation, handover, escalation, and patient communication are all obligations under this theme. The Code specifically requires that records are clear, accurate, and legible. A common CBT question type involves identifying what a nurse must document and when.
Be accountable for your decisions. You are responsible for your own clinical decisions. If you delegate a task to a support worker or a junior nurse, you retain accountability for ensuring the task was carried out safely. You cannot delegate your accountability, only the task.
Keep clear and accurate records. Documentation is a professional and legal obligation. Records must be completed promptly, must be accurate, must be stored securely, and must be accessible to those who need them to provide care. The CBT tests this across multiple topic areas — not just in the professional practice section.
Theme 3: Preserve Safety
The third theme is arguably the most tested in the CBT because it governs a wide range of clinical situations. It covers your duty to identify and manage risk, raise concerns, and maintain safe practice.
Key principles under this theme:
Recognise and respond to risks to patient safety. This encompasses clinical deterioration, medication errors, unsafe practice, staffing concerns, and environmental hazards. The CBT frequently presents scenarios where a nurse identifies a safety issue — the correct response is almost always to act immediately and escalate, not to wait and see.
Act immediately if you believe a person is at risk. If you believe a patient, colleague, or service user is at risk of harm, the Code requires you to take immediate action. This includes both direct physical risk and risks related to abuse, neglect, or poor practice. Inaction in the face of a clear risk is a Code violation.
Raise concerns if you have reason to believe that practice is unsatisfactory or unsafe. This duty of candour and whistleblowing obligation is a major area of CBT questioning. Questions may present scenarios where a colleague has made a medication error, where a patient has experienced an unexpected deterioration, or where a practice on the ward is not meeting standards. The correct response is always to raise the concern through the appropriate channel — not to conceal it, not to wait, and not to handle it informally if the risk is serious.
Be open and candid with patients if things go wrong. The duty of candour requires nurses to tell patients or their families when something has gone wrong with their care, to apologise sincerely, and to offer to seek a remedy. This is a particularly UK-specific concept. In some healthcare cultures, errors are concealed or minimised. The NMC Code requires the opposite approach.
Act without delay if you believe there is a risk to public protection. In cases of serious concern about public safety, the nurse must act even if doing so creates professional or personal difficulties. The Code does not permit inaction in the face of serious risk.
Practise leadership, management and team working questions — many preserve safety scenarios appear in this topic area.
Theme 4: Promote Professionalism and Trust
The fourth theme covers the nurse's responsibility to uphold the reputation of the profession and to behave in ways that inspire public trust.
Key principles under this theme:
Uphold the reputation of the profession. Your conduct at work and outside work can affect public trust in nursing. The Code applies to your behaviour both in professional and personal contexts where it could affect your fitness to practise.
Ensure appropriate standards of practice are maintained at all times. You must challenge unsafe or poor practice when you see it, regardless of who is responsible. The Code does not permit nurses to ignore unsafe practice because it is carried out by a more senior colleague or because challenging it might be uncomfortable.
Be honest and act with integrity. Honesty in all professional dealings is a core obligation. This includes being honest with patients, with employers, and with the NMC itself. CBT questions testing this theme may present scenarios involving references — the correct answer is always to provide accurate, honest information.
Deal with problems and concerns in a transparent way. When things go wrong, the Code requires you to handle them openly and honestly, through appropriate channels. This connects to the duty of candour and to your obligations around incident reporting.
How the NMC Code Appears in the CBT
The NMC Code does not appear as isolated factual questions ("Which theme covers record keeping?"). Instead, it is embedded in clinical and professional scenarios that require you to decide what the most appropriate action would be.
Common scenario patterns:
Scenario type 1: A colleague makes an error. The question tests whether you will cover it up, handle it informally, or escalate appropriately. The Code requires honest, transparent handling — the correct answer almost always involves documenting, reporting, and ensuring the patient is informed.
Scenario type 2: A patient refuses treatment. The question tests whether you will override the patient's decision "for their own good". If the patient has capacity, you must respect their refusal even if you disagree with it. If the patient lacks capacity, the Mental Capacity Act framework applies.
Scenario type 3: You are asked to perform a task outside your competence. The Code requires you to decline and escalate — not to attempt it, not to delegate it without proper oversight, and not to pretend you are competent.
Scenario type 4: You have concerns about patient safety. The Code requires immediate action and escalation — not waiting, not handling it yourself without support, and not staying silent.
Scenario type 5: A patient shares sensitive information. Confidentiality questions test whether you understand when sharing information is permitted (risk of serious harm, public interest) and when it is not.
Applying the Code: Practice Questions
Understanding the Code conceptually is the first step. The second step — and the more important one — is practising applying it to exam scenarios until the correct response feels automatic.
Work through professional and ethical practice questions that specifically test NMC Code scenarios. For each question you get wrong, re-read the relevant section of the Code and identify the principle that applies.
The nurses who perform best in this section are not those who have memorised the Code verbatim. They are those who have read it carefully, understood its principles, and practised enough scenarios to apply it confidently in any situation the exam presents.
Your Next Step
Download the NMC Code from the NMC website and read it in full. It is approximately 20 pages. Make notes on the specific obligations under each theme. Then begin practising CBT scenarios that test Code application.
Sign up for free access to NMC CBT practice questions and begin with the professional and ethical practice module today.