Study in this order: Canadian prevention (screening, immunization, hypertension and alcohol guidance), law and ethics (consent, capacity, MAID, confidentiality, reporting, disclosure), communication scenarios, then the heavy clinical domains: pediatrics, obstetrics and gynecology, and the acute-care next-step questions. The MCC publishes no topic percentages, so these rankings are editorial and rest on the MCC blueprint grid and the Examination Objectives.
How we ranked topics
We scored each topic on three things. The first is breadth: how many presentations and settings it touches. The second is learnability: whether a short framework gets you most of the marks. The third is distance from your prior training. A topic that is common and different from home-country practice repays the most. A rare topic that is hard to learn repays the least.
The MCC does not publish discipline weights. The weights on this site are editorial estimates built from the MCC Examination Objectives and clinical presentations. Treat the rankings as a way to sequence your effort, not as a prediction of the paper.
Tier 1: learn first, because they are Canadian-specific
- Screening. The Canadian Task Force (CTFPHC) guidance for colorectal cancer in average-risk adults aged 50 to 74 is a fecal immunochemical or FOBT test every 2 years, or flexible sigmoidoscopy every 10 years, and not colonoscopy as a screening test. Its lung guidance is low-dose CT for people aged 55 to 74 with at least a 30 pack-year history who smoke or quit within 15 years. Provincial programs differ, and the Task Force ended its mandate on 31 March 2026, so questions that depend on an interval should say which source applies. Read the stem for "per provincial program".
- Immunization. Learn the national infant series: DTaP-IPV-Hib at 2, 4 and 6 months with a fourth dose at 18 months, then a booster at about 4 years and an adolescent Tdap. Add pneumococcal, rotavirus, MMR, varicella, meningococcal, hepatitis B, HPV, influenza and RSV. In adults, know Td every 10 years, a Tdap in each pregnancy and recombinant zoster from age 50. Our guidelines guide has the full list.
- Blood pressure. Diagnostic thresholds use automated office readings (135/85 or higher), home readings and 24-hour monitoring. Know first-line drug classes, the special-population choices and that RAS inhibitors are contraindicated in pregnancy.
- Alcohol. Canada's Guidance on Alcohol and Health (2023): 1 to 2 standard drinks a week is low risk, 3 to 6 is moderate, 7 or more is increasingly high risk, and there is no known safe amount in pregnancy.
Tier 2: ethics, law and communication
These areas decide close results, and no amount of clinical reading replaces a framework.
- Consent and capacity. Capacity is decision-specific. Know who the substitute decision-maker is, what to do in an emergency with an incapable patient and no known refusal, and how provincial law varies. Most stems that depend on a statute name the province.
- Medical assistance in dying. Know the eligibility criteria, the difference between the two tracks (natural death reasonably foreseeable or not), the independent assessor, the 90 clear days for the second track and the exclusion of mental illness as the sole condition, which is dated and changing.
- Confidentiality and duty to report. Child protection reporting applies across Canada. Reportable diseases are set provincially. Duty to report impaired driving varies by province.
- Disclosure and patient safety. Tell the patient promptly, apologize, explain what is known, describe the plan and document.
- Breaking bad news, interpreters and cultural safety. The stem usually rewards the first correct communication step, such as asking what the patient already knows, not the content of a prognosis.
Tier 3: heavy clinical domains
| Domain (est. weight) | High-yield content |
|---|---|
| Pediatrics (10%) | Neonatal jaundice and sepsis, fever in infants, bronchiolitis and croup, dehydration, immunization, development, child maltreatment, adolescent health |
| Obstetrics and gynecology (9%) | Prenatal screening, hypertension and diabetes in pregnancy, bleeding in early and late pregnancy, labour, contraception, abnormal bleeding, STIs |
| Cardiovascular (8%) | ACS, heart failure, atrial fibrillation and anticoagulation, hypertension, VTE, syncope |
| Psychiatry (8%) | Suicide risk, depression, psychosis, substance withdrawal, opioid agonist therapy, involuntary assessment |
| Endocrine and renal (8%) | DKA, type 2 diabetes drugs, thyroid, AKI, CKD, electrolytes, UTI |
| Emergency and critical care (8%) | Cardiac arrest, anaphylaxis, shock, trauma primary survey, overdose, acid-base |
The remaining domains are covered on their own pages. Neurology (stroke, seizures, headache red flags), respiratory (asthma, COPD, PE), GI (bleeding, obstruction, liver disease), infection, hematology and oncology, and musculoskeletal, dermatology, ENT and eye all repay a first pass of the common presentations before any depth.
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Next-best-step reasoning
The MCC says its questions ask for diagnosis, investigation or management. A large share ask "what is the next best step". Use a fixed order so you do not skip a safety step:
- Is the patient unstable? If yes, stabilize airway, breathing and circulation before investigation.
- Is there a time-critical diagnosis to exclude? Stroke, ACS, ectopic pregnancy, sepsis, cord compression, testicular torsion.
- Does the patient have capacity and is consent in place? Many wrong answers skip communication.
- What is the least invasive step that changes management?
- Who else needs to know? Reporting, referral, family, public health.
The traps that cost marks
- Choosing the US or UK answer where a Canadian guideline differs.
- Picking a definitive test when the patient is unstable.
- Treating a competent patient's refusal as a barrier instead of a decision to respect and explore.
- Forgetting pregnancy status or renal function before a drug choice.
- Ignoring the setting. A rural hospital, an Indigenous community and a family practice offer different resources, and the blueprint classifies settings and special populations.
- Confusing a Canadian drug name with a trade name from home. Use acetaminophen, epinephrine, salbutamol and ASA.
Units and wording
Laboratory values use SI units: glucose in mmol/L, creatinine in umol/L, hemoglobin in g/L, and blood gases in kPa or mmHg. Learn to read both quickly. Temperature is in degrees Celsius. Doses are metric. Our questions state the unit every time.
Use this page with the study plan to sequence your weeks, and with the blueprint guide to check your coverage across the grid.
A prevention checklist you can learn in a week
Prevention is the part of the grid that international graduates meet least. Build one page with these headings and fill each from the Canadian source, not from memory of another country's rules.
- Cancer screening. Colorectal, lung, cervical, breast and prostate. For each, note the age range, the test, the interval and whether you are following a task force statement or a provincial program. For prostate screening, check the current task force statement on PSA testing in men without symptoms.
- Immunization. Infant series, school-age and adolescent doses, adult boosters, pregnancy, older-adult vaccines and catch-up rules for the unimmunized.
- Counselling. Tobacco, alcohol, physical activity, nutrition and weight.
- Screening principles. Sensitivity, specificity, lead-time bias, number needed to treat. Expect a question that uses these to judge a screening program.
- Special populations. Indigenous health, newcomers, people with disabilities and older adults, using cultural safety and trauma-informed care.
Communication scenarios: four reusable structures
- Breaking bad news. Prepare the setting, ask what the patient knows and wants to know, give a warning shot, share the news in plain words, pause, respond to emotion, then agree a plan and a follow-up.
- Disclosure of an adverse event. Tell the patient promptly, state the facts known, apologize, explain what will happen next, report through the system and document.
- Consent and refusal. Check capacity for this decision, give information on benefits, risks and alternatives, confirm understanding, respect a capable refusal and explore its reasons, and involve the substitute decision-maker if the patient lacks capacity.
- Working with an interpreter or across cultures. Use a professional interpreter rather than a family member, speak to the patient, and ask about preferences instead of assuming them.
Acute-care sequences to automate
These are habits, not drug doses. Confirm doses on the current Canadian source.
- Chest pain. Stabilize, ECG early, think of ACS, PE, dissection and pneumothorax, and choose the investigation that changes management.
- Sepsis. Recognize early, take cultures, give antimicrobials and fluids, find the source and reassess.
- Altered level of consciousness. Airway, glucose, then the causes you can reverse.
- Abdominal pain. Consider pregnancy, vascular emergencies and surgical causes before a long list of tests.
- Overdose. Resuscitate first, then identify the toxidrome and antidote.
A ten-minute self-test
Close this page and write down, without looking, the colorectal screening test and interval, the first-line classes for hypertension, the three infant visits for the first vaccine series, the two MAID tracks, and the four steps of disclosure. Any blank is today's study topic. Repeat weekly until nothing is missing.
Three revision mistakes that waste high-yield time
- Memorizing numbers without the source. A screening interval you cannot attribute to a task force or a provincial program is a liability. Attach the source to each fact.
- Revising rare diseases first. A strong grasp of common presentations earns more than a thin grasp of unusual ones.
- Skipping review of correct answers. A right answer chosen for the wrong reason will fail you on the next variation. Read the rationale every time.
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Frequently asked questions
What are the highest-yield areas for the MCCQE Part I?
Our ranking puts Canadian prevention and screening, ethics and law, communication scenarios, pediatrics, obstetrics and gynecology, and acute next-best-step questions first. They combine heavy weight with content that differs from other countries.
Does the MCC publish topic weights?
No. It publishes a grid of dimensions of care and physician activities, not discipline percentages. Our domain weights are editorial estimates built from the MCC Examination Objectives and clinical presentations.
Is the exam mostly about rare diseases?
No. The MCC frames the exam as testing a generalist starting residency, and the content centres on common and important presentations and the first correct steps.
How should I use the free MCC questions?
Use them to learn the style and check your Canadian knowledge once early and once late. Do not memorize them.
Which Canadian guidelines matter most?
The Canadian Immunization Guide, the Canadian Task Force screening recommendations and provincial programs, Hypertension Canada, Diabetes Canada, SOGC, the Canadian Paediatric Society and Canada's Guidance on Alcohol and Health.