OMS Collective

Practice the CBSE the way you'll take it.

Timed 50-question blocks with flags, highlighting, lab values and a calculator, then a mastery report by topic when you finish. Written and reviewed by oral and maxillofacial surgery residents.

Try a free blockI have a license key
50questions per block
75 minper block
4blocks per exam
2devices per license key
The exam screen showing a renal question with a glucose titration graph, one answer selected and the question flagged
Real block timing

75 minutes per 50 questions, with a clock you can hide.

Flag, strike out, highlight

The same tools you'll use on test day, on every question.

Lab values and calculator

Reference ranges and a calculator one tap away.

Mastery report

Your score by topic across all four blocks, with full explanations. Retakes are saved so you can compare.

Start with the free block

Ten renal questions from the Renal Mastery Exam, in the full exam screen. No license key or sign-up.

Exams

Each exam is 200 questions in four timed blocks. Buy it on Payhip, paste the license key from your receipt, and it's yours for good on up to two devices.

Organ system mastery

Full-length CBSE practice

Respiratory Mastery Exam is next

200 questions in four timed blocks, being written now. The free Respiratory guide covers the same ground.

Get the Respiratory guide

Free study guides

The guides we share in the Discord, free to download on Payhip. Each one lines up with an exam topic, so you can study a system and then test it.

Cover of the OMS Collective renal physiology and pathology study guideRenal physiology and pathologyFree PDFCover of the OMS Collective cardiovascular physiology and pathology study guideCardiovascular physiology and pathologyFree PDFCover of the OMS Collective respiratory physiology and pathology study guideRespiratory physiology and pathologyFree PDFCover of the OMS Collective pharmacology high-yield review study guidePharmacology high-yield reviewFree PDFCover of the OMS Collective microbiology high-yield guide study guideMicrobiology high-yield guideFree PDFCover of the OMS Collective immunology high-yield guide study guideImmunology high-yield guideFree PDF
Physiology Arrows guideWhich way every variable moves, at a glance. CBSE study schedulesOne-year, 18-month and two-year plans. Free 20-question CBSE sampleA printable PDF of mixed questions.

Unlock your exam

Your license key is in the receipt email Payhip sent when you bought the exam. Paste it below to unlock all four blocks.

Bought through the Discord? Paste the key we sent you there. Can't find your receipt? Search your email for Payhip, or check your Payhip purchase history.

  1. 1
    Buy the exam on PayhipYour license key comes in the receipt email.
  2. 2
    Paste the license key hereIt works on two devices, like your laptop and your phone. Your progress follows the key.
  3. 3
    Take the blocks when you're readyAnswers save as you go, so you can stop and pick up later.