If you have bought or are considering OccuMed Exam Prep for the Diploma in Occupational Medicine (DOccMed), this is a plan for working its bank efficiently — a first pass, a disciplined review loop, and clear exit criteria — so you learn from it rather than merely finishing it. It addresses one component: the written MCQ knowledge gate. The principal limitation is simple arithmetic: a finite bank, however good, becomes a memory test once you have seen it, so you need a separate source of unseen questions to know what you would actually score.
What OccuMed Exam Prep offers for DOccMed right now
OccuMed Exam Prep is a dedicated DOccMed/DipOHPrac revision platform, not the examining body. The figures below are vendor-reported and were checked on 21 July 2026; confirm current details, and especially price and access, on occumedexamprep.com before buying.
| Item | Detail (vendor-reported, checked 21 July 2026) |
|---|---|
| Product | "The Ultimate Revision Hub for the UK Diploma in Occupational Medicine (DOccMed), and Diploma in Occupational Health Practice (DipOHPrac)", created by two doctors who report scoring highly on DOccMed |
| Question count | "500 exam-style questions designed to reflect the DOccMed/DipOHPrac exam format" |
| Mock exam | A "full-length assessment" that "randomly selects 80 questions from our extensive question bank" |
| Explanations | "Detailed explanations for each answer" |
| Topics | "workplace legislation, occupational health assessments, workplace hazards, and disease management" |
| Access period | "All paid access ends on the last day of the next exam sitting, regardless of when you sign up" |
| Free preview | "free sample questions and revision content" before purchase |
| Price | Not disclosed on the pages reviewed — verify the current plan and price on occumedexamprep.com |
| AI / adaptive features | None advertised |
| Pass-rate data | None published |
The strengths are a bank sized and formatted for the exam, a built-in 80-question mock that mirrors the real paper length, and per-answer explanations. The limitation to plan around is that 500 items is a finite, single-editorial-voice pool with no adaptive engine — which is exactly why the plan below ring-fences part of it and pairs it with an unseen-measurement layer.
The DOccMed exam, briefly
The DOccMed (run by the FOM) has two assessed components plus a prerequisite approved training course. The MCQ paper (verify on fom.ac.uk) is typically around 80 best-fit questions over 1 hour 45 minutes, no negative marking, best-possible-fit answering from up to five options. The portfolio and oral component needs two written reports totalling about 1,500–2,000 words plus a 20-minute oral with two examiners, passed at an aggregate of 50% or more; MFOM Part 1 exempts the MCQ. OccuMed Exam Prep targets the MCQ. Its 80-question mock deliberately mirrors the real paper's length, which makes it a useful full-length rehearsal — provided you protect it as described below.
Step 1: Build a blueprint inventory and ring-fence an unseen pool
Before your first question, map the 500 items to your blueprint domains as best the topic filters allow, and — crucially — ring-fence a protected pool you will not touch during learning. Set aside the 80-question mock and, ideally, a further slice of items, and commit not to see them until your end-stage timed assessment. If you work the entire bank in learning mode, you destroy your only in-platform way to measure yourself on unseen OccuMed items. The protected pool is your instrument; the rest is your training ground.
Step 2: The first pass
On the first pass, use topic-filtered blocks only where your foundations are genuinely weak — a domain you have never studied benefits from massed exposure. Everywhere else, start mixed. Filtering every block by topic quietly cues the answers: if you know every question in the block is about COSHH, you reason differently than you will on the real paper, where the topic is unknown until you read the stem. Starting mixed wherever you can afford to keeps your practice honest and closer to exam conditions from the outset.
Step 3: Review each miss with an error code
Review is where the marks are made, and it is where most candidates waste time. Do not transcribe the whole explanation into your notes — that is copying, not learning. Instead, give each miss an error code (misread stem, missing knowledge, misapplied rule, best-fit trap) and exactly one corrective action (a single rule to memorise, a distinction to drill, a source to check). One sentence per miss, consistently applied, builds a searchable record of your actual weaknesses. A wall of pasted explanations builds nothing but a false sense of diligence.
Step 4: Use transfer practice before you repeat an item
When you get an item wrong, resist the urge to immediately re-answer that same question — you will remember the answer, not the reasoning. Instead, use transfer practice: find a new item, in OccuMed's bank or in iatroX, that tests the same principle in a different scenario, and answer that first. If you can apply the rule in an unfamiliar dressing, you have learned it; if you can only recognise the original question, you have memorised it. Transfer practice is the single most reliable defence against the familiarity effect that inflates finite-bank percentages.
Step 5: Switch to mixed timed blocks at domain floors
As soon as each domain clears a minimum accuracy floor, switch to mixed, timed blocks — even if your first pass through the bank is incomplete. Completion is not the goal; readiness is. Candidates routinely make the mistake of grinding to 100% completion in comfortable topic order while never rehearsing the interleaved, time-pressured conditions the exam actually imposes. Once your floors are met, mixed timed practice teaches you more per question than another filtered block ever will, because it trains retrieval under the exact uncertainty of the real paper.
Exit criteria: what "done" looks like
You are done with OccuMed Exam Prep — not when the bank is 100% complete — when you can show: coverage across every domain; a stable first-attempt accuracy on unseen, timed items (your protected pool and iatroX); pacing inside the exam's rate; retention across a one-to-two-week gap; and calibration against the FOM's official example format. Completion percentage is explicitly not on this list. As the companion article puts it, your bank percentage is not your exam score — and with a finite bank, a high completion figure mostly measures how much of the pool you have memorised.
A seven-day plan (worked example)
This plan uses OccuMed Exam Prep for one defined job — learning and first-exposure MCQs on the DOccMed blueprint — and iatroX for adaptive transfer practice and unseen measurement. No claim is made about any tool's internal algorithm; the numbers are illustrative.
- Monday. Ring-fence the 80-question mock and 40 further items. Topic-filtered block (20 questions) on your weakest domain, say health surveillance. Code every miss.
- Tuesday. Mixed block (25 questions) from the un-fenced pool, timed. One-sentence corrective per miss.
- Wednesday. Transfer practice in iatroX: unseen, timed items on the same principles you missed Monday and Tuesday. Compare first-attempt accuracy.
- Thursday. Portfolio hour against the FOM template — not MCQs. The bank does not build this component.
- Friday. Mixed, timed block (30 questions) spanning all domains covered. Log high-confidence errors separately.
- Saturday. Consolidate: re-drill the principles behind the week's high-confidence errors using fresh items, not repeats.
- Sunday. Review only, update the coverage table, rest. Hold the mock in reserve.
Near the exam, spend the ring-fenced mock once, under strict timing, as a full-length rehearsal, then chain an unseen iatroX block to confirm the result was not a one-bank artefact.
Three mistakes this plan is designed to stop
The first is grinding to 100% completion and reading it as readiness; with 500 finite items, completion measures exposure, not knowledge, so Step 5 switches you to mixed timed blocks at domain floors instead. The second is transcribing explanations, which feels productive and teaches little; the one-sentence error code in Step 3 replaces it. The third is burning the 80-question mock early as "just more practice", which destroys your only full-length unseen rehearsal; ring-fencing it in Step 1 protects it for the checkpoint where it matters.
Decision checklist: continue, supplement, switch or stop
- Continue with OccuMed Exam Prep while your unseen accuracy is climbing and you still have un-fenced items delivering new mistakes to learn from.
- Supplement with iatroX or a second DOccMed source once your OccuMed accuracy is high but your unseen accuracy lags — the tell-tale sign of item familiarity rather than topic mastery. The two-Q-bank rule shows how to add the second source without duplicating questions.
- Switch to full-length, timed, mixed mocks once domain floors are met and only pacing or nerves remain; more filtered blocks will not help.
- Stop buying or grinding when unseen, timed performance is stable at target across the blueprint. A finite bank finished twice is sunk cost, not readiness.
Frequently asked questions
Is OccuMed Exam Prep enough for DOccMed on its own? For MCQ learning it is a credible, format-appropriate spine — 500 exam-style questions with explanations and a full-length mock is a reasonable core. But it is not sufficient as your only measurement, because once you have worked a finite bank your rising percentage reflects memory of its items rather than mastery of the blueprint. Pair it with a source of genuinely unseen, timed questions so your readiness number comes from material you have not met, and remember it does not touch the portfolio or oral component.
Which DOccMed component does OccuMed Exam Prep not reproduce well? It is built for the MCQ and does that job; it does not reproduce the portfolio assessment or the 20-minute oral examination, which are separate components requiring your own workplace case and a live examiner interaction. No MCQ bank can rehearse those. Use OccuMed for the knowledge and the timed 80-question mock, and turn to the FOM portfolio template and your supervisor for the applied component the bank cannot serve.
How many OccuMed Exam Prep questions should I complete per day for DOccMed? With a finite pool of around 500 items, pace yourself so you do not exhaust the bank weeks before the exam and leave nothing unseen. Roughly 20 to 30 well-reviewed questions a day, with every miss earning an error code and one corrective action, is a sustainable and effective rate for a working doctor — and it preserves items for later mixed practice. Prioritise the depth of your review over raw daily volume; verify the current access terms and price on occumedexamprep.com.
When should I stop using OccuMed Exam Prep and move to mixed mocks? Move to mixed mocks as soon as each domain clears its accuracy floor, even if you have not completed the bank — completion is not the target. If topic-filtered blocks have stopped surprising you, you are rehearsing strengths and delaying the interleaved practice the exam demands. Reserve the 80-question mock for a late, full-length, timed rehearsal, and make mixed conditions your default well before exam day rather than in the final week.
How should I combine OccuMed Exam Prep with iatroX without duplicating practice? Give each a distinct role and never share items between them. OccuMed Exam Prep is your learning-and-first-exposure bank; iatroX is your unseen-measurement and transfer-practice layer, supplying timed, mixed blocks that tell you what you would score cold. When you miss an OccuMed item, drill the principle on an unseen iatroX question rather than re-answering the original. Keeping the two loops separate — learn on one, measure on the other — is the two-Q-bank rule, and it stops the familiarity effect from flattering your numbers.
Editorial notes and references
Written by Dr Kolawole Tytler, NHS GP and founder of iatroX. Last checked 21 July 2026. Vendor-reported figures (OccuMed Exam Prep's 500-question count, 80-question mock, access terms and topic coverage) are labelled as such and were taken from occumedexamprep.com on that date; price was not disclosed on the pages reviewed and should be confirmed on the vendor's site before purchase. Exam-format facts should be verified on fom.ac.uk. Disclosure: iatroX operates a competing UK question bank and an unseen-measurement layer; here its role is confined to the transfer practice and unseen measurement that a finite single-vendor bank cannot provide, and it does not reproduce the DOccMed portfolio or oral. Corrections are welcome via the feedback route on iatrox.com.
References: FOM DOccMed diploma and regulations pages (fom.ac.uk); OccuMed Exam Prep resource and FAQ pages (occumedexamprep.com); the DOccMed content-gap checklist; Your Q-Bank Percentage Is Not Your Exam Score; the two-Q-bank rule; the iatroX comparison hub and UK question bank.