Timed 50-question blocks in the real test-day format, then a mastery report that shows exactly which topics to study next.
Already bought an exam? Go to My exams
Study next: Nephrotic vs nephritic syndrome (11 of 23 correct). Every miss links back to its explanation.
Finish all four blocks and see your score by topic, weakest first, with every explanation one tap away. Retakes are saved so you can compare.
A 54-year-old man has edema and urine protein of 4.2 g/day. Which finding is most likely?
75 minutes per block, plus flag, strike-out and highlight, just like the real exam screen.
| Serum | Reference range |
| Sodium (Na⁺) | 136–146 mEq/L |
| Potassium (K⁺) | 3.5–5.0 mEq/L |
| Creatinine | 0.6–1.2 mg/dL |
Reference ranges open beside the question, so you practice reading them the way you will on test day.
Every exam is 200 questions in four timed blocks of 50. Pay once with Stripe and it unlocks right away, for good. Log back in anytime with your checkout email and receipt number.
Go deep on one system at a time.
Mixed systems, like the real CBSE.
From dental students and OMS applicants prepping for the CBSE.
Something confusing, broken, or missing? Tell us. Every message is read by the residents who run OMS Collective and goes straight into what we fix next. Need help with a purchase? Email [email protected].