You have three weeks left, a full clinical rota, and a question bank that feels infinite. Knowing which topics to prioritise is not cutting corners — it is intelligent exam strategy. The PLAB 1 blueprint is public, the weighting patterns are consistent, and the candidates who pass efficiently are the ones who study accordingly.
Why the Blueprint Exists and What It Tells You
The General Medical Council publishes a blueprint for PLAB 1 that maps the 180 questions across clinical domains and professional practice themes. The exam is designed to test the knowledge expected of a doctor at the level of a Foundation Year 2 (FY2) — someone who can assess, investigate, and initiate management safely, and who understands their professional obligations.
This means the blueprint is not arbitrary. Topics that appear frequently do so because they represent genuinely common clinical scenarios a newly registered doctor would encounter in the UK. Cardiology patients fill medical wards. Diabetic emergencies arrive overnight. Ethical dilemmas land in every specialty. The exam reflects reality.
Understanding this logic matters because it stops you treating every topic as equally weighted. Some areas are tested heavily and consistently; others appear rarely. If you are short on time, you need to know the difference.
Cardiology: High Volume, High Stakes, High Marks
Cardiology is reliably one of the most tested clinical areas in PLAB 1. Expect questions on acute coronary syndromes, arrhythmia management, heart failure, and hypertension — and expect them to be nuanced. A question will rarely ask you simply to name a diagnosis. More often, it will describe a clinical scenario and ask you to select the single best next step: whether to anticoagulate, which monitoring the patient needs, or when to escalate.
Areas worth particular attention:
- Chest pain differentiation — STEMI versus NSTEMI versus pericarditis versus aortic dissection. The ECG findings and the immediately correct management differ significantly.
- Arrhythmias — AF management, including rate versus rhythm control and when to anticoagulate according to NICE guidance, appears repeatedly.
- Heart failure — differentiating preserved from reduced ejection fraction, and knowing the first-line drug classes for each.
- Hypertensive emergencies — knowing when urgency becomes emergency, and why the approach changes.
The reason cardiology recurs is straightforward: cardiovascular disease is the leading cause of mortality in the UK, FY2 doctors manage these patients daily, and the decisions involved carry immediate risk. The GMC is testing whether you are safe, not just knowledgeable.
Endocrinology: Deceptively Broad, Consistently Tested
Endocrinology punches above its weight in terms of blueprint presence. Diabetes alone — Type 1, Type 2, gestational, and their acute complications — accounts for a substantial slice of questions. But the domain extends further than many candidates expect.
Focus your revision on:
- Diabetic ketoacidosis (DKA) and hyperosmolar hyperglycaemic state (HHS) — the diagnostic criteria, the immediate management priorities, and the differences between the two.
- Hypoglycaemia — particularly the correct approach when a patient cannot take oral glucose.
- Thyroid disorders — hypothyroidism and hyperthyroidism presentations, TSH interpretation, and when to start treatment.
- Adrenal insufficiency — recognising an Addisonian crisis, and the correct emergency treatment.
- Electrolyte disturbances — hyponatraemia, hyperkalaemia, and hypercalcaemia all appear, often tagged to an underlying endocrine cause.
These scenarios recur because endocrine emergencies are genuinely dangerous if mismanaged, and the evidence base for their treatment is clear and guideline-driven — making them ideal material for single-best-answer questions.
Infectious Disease: Practicality Over Complexity
Infectious disease questions in PLAB 1 are not designed to test subspecialty microbiological knowledge. They test whether you can identify a serious infection, choose appropriate empirical treatment, and escalate correctly. The scenarios are grounded in what you would see in a UK emergency department or on a general medical ward.
Key areas:
- Sepsis recognition and the Sepsis Six — understanding the physiological criteria and the immediate management bundle.
- Meningitis and meningococcal disease — speed of treatment is central; questions frequently test whether you would give antibiotics before the lumbar puncture.
- Community-acquired pneumonia — severity scoring (the CURB-65 criteria) and antibiotic selection according to severity.
- Urinary tract infections — differentiating uncomplicated UTI from pyelonephritis, and pregnancy-specific management.
- HIV and post-exposure prophylaxis — indications and the urgency of the time window.
These topics appear because infection is ubiquitous, because UK antimicrobial prescribing guidelines are specific, and because delayed or incorrect treatment causes measurable harm.
Ethics, Law, and Prescribing: The Areas Candidates Underestimate
This is where many IMGs lose marks they should not lose. Ethics and professional practice questions account for a meaningful proportion of the paper, and they are not soft questions. They require precise knowledge of the GMC's Good Medical Practice, the legal framework around consent, capacity, confidentiality, and the duty of candour.
Prescribing questions are similarly unforgiving. Common themes include safe opioid prescribing, drug interactions, prescribing in renal impairment, and the correct approach to a medication error.
A useful frame for ethics questions: the answer is almost always the option that respects patient autonomy while maintaining safety and professional accountability. When in doubt, ask yourself what a competent FY2 acting in the patient's best interests — and in line with GMC guidance — would do.
Drilling these as timed single-best-answer questions, then reviewing the worked explanations carefully, is the most efficient way to internalise the reasoning. The Ant PLAB question bank organises questions by blueprint domain, so you can target ethics and prescribing specifically and track where your accuracy drops.
How to Allocate Your Remaining Time
If you have limited weeks left, a practical allocation looks something like this:
- Spend the most time on cardiology and endocrinology — high volume, high consequence, well-evidenced management.
- Give infectious disease focused but efficient revision — the key scenarios are finite.
- Do not leave ethics and prescribing until the final days. These need repeated exposure to build the correct instincts, not last-minute cramming.
- Use timed practice questions throughout. Reading notes without testing yourself does not replicate exam conditions, and PLAB 1 pass marks reflect performance under time pressure.
Reviewing your performance analytics after each practice session — noting which blueprint areas consistently trip you up — is more valuable than simply doing more questions. The Ant PLAB question bank provides per-topic analytics precisely for this purpose.
FAQ
Which topic has the most questions in PLAB 1? The GMC does not publish exact question counts per topic, but cardiology and medicine-related clinical scenarios consistently represent a large portion of the paper, reflecting their prevalence in UK clinical practice.
Do ethics questions require knowledge of specific UK law? Yes, to a degree. You need a working understanding of the Mental Capacity Act 2005, Gillick competence, and confidentiality principles as set out in GMC guidance — but questions test applied reasoning rather than verbatim recall of legislation.
How is the PLAB 1 pass mark decided? The pass mark is set through a standard-setting process after each diet, meaning it is not a fixed percentage. It reflects the difficulty of that particular paper, assessed against the expected performance of a competent FY2 doctor.