CBE Study Guide 2026

Everything you need to pass the CBE exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

📋 CBE Exam Format at a Glance

120
Questions
180 min
Time Limit
80.00%
Passing Score

📚 CBE Topics to Study (69)

✍️ Sample CBE Questions & Answers

1. An apnea-hypopnea index (AHI) of 34 events per hour on polysomnography indicates what OSA severity?
✓ Severe

AHI ≥30 events per hour is classified as severe obstructive sleep apnea; 15-29 is moderate and 5-14 is mild.

2. Why is water-soluble contrast such as Gastrografin typically preferred over barium when a leak is suspected?
✓ Barium leaking into the peritoneum can cause serious peritonitis

Extravasated barium can cause severe chemical peritonitis, so water-soluble contrast is used first when perforation or leak is possible.

3. A sleeve patient 3 weeks post-op reports dizziness, dark urine, and fatigue. Which nutrition issue is most likely?
✓ Dehydration

Inadequate fluid intake due to a small stomach and slow sipping is a leading cause of early readmission.

4. Which comorbidity evaluation is specifically required before bariatric surgery due to its high prevalence in obese patients and anesthesia risk implications?
✓ Obstructive sleep apnea (OSA) screening

OSA is highly prevalent in bariatric surgery candidates and, when untreated, significantly increases anesthesia and postoperative respiratory risks.

5. Which test is most sensitive for detecting early vitamin B12 deficiency when serum B12 is borderline?
✓ Methylmalonic acid

Elevated methylmalonic acid indicates functional B12 deficiency even when serum B12 levels appear normal.

6. Hypoglycemia 1-3 hours after a carbohydrate-rich meal following bypass is best described as which of these?
✓ Late dumping (post-bariatric hypoglycemia)

Late dumping comes from an exaggerated insulin response to a rapid glucose rise, which then causes hypoglycemia.

🎯 Free CBE Practice Tests

📖 CBE Guides & Articles

Your CBE Study Path
1. Learn with Flashcards → 2. Drill Practice Tests → 3. Take the Full Exam Simulation

What Practice Test Geeks adds beyond an AI chat for CBE

An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:

  • A timed, full-length CBE mock exam — 120 questions in 180 minutes with a 80% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
  • A fixed CBE question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
  • Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
  • A printable CBE cheat sheet you can print or save as a PDF.
  • CBE flashcards built from the same question bank.
  • Free CBE practice tests with the correct answer shown after each question.
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