Research

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Learn, play & verify

Test Your NF Knowledge

Take a 20-question knowledge challenge built from reviewed NF and medical sources. Every test includes 15 NF questions, one pop-culture question, one sports question, one algebra question, and two all-ages random questions.

20 questions

NF Knowledge Challenge

Choose a level, answer every question, and submit when you are ready. The selected level prioritizes questions at or near that difficulty, so some neighboring levels may appear. This is educational—not a measure of medical expertise.

0 of 20 answered
  1. Research · Multiple choice1. Why is an effect estimate without its absolute event rates incomplete for decision-making?
  2. Genetics · Myth or Fact2. Myth or fact: People in the same family with NF1 always have the same features and severity.
  3. Algebra · Multiple choice3. Solve for x: 3x + 5 = 20
  4. Clinical features · Myth or Fact4. Myth or fact: Every plexiform neurofibroma grows at the same rate.
  5. Clinical features · Multiple choice5. Where are Lisch nodules found?
  6. NF organizations · True or False6. True or false: Joining the NF Registry means a participant is automatically assigned an experimental treatment.
  7. NF organizations · Multiple choice7. Which organization describes a national grassroots program advocating for federal NF research funding?
  8. Molecular biology · Multiple choice8. The NF2 gene is classically described as what kind of gene?
  9. Random · Multiple choice9. At sea level, water freezes at what Celsius temperature?
  10. Molecular biology · Multiple choice10. Neurofibromin’s GAP-related domain promotes which molecular event?
  11. NF organizations · Multiple choice11. Why can a patient-powered registry complement clinical trials?
  12. Sports · Multiple choice12. A baseball batter hits safely in 45 of 150 at-bats. What is the batting average?
  13. Research · Multiple choice13. A relative risk greater than 1 generally indicates what in the studied groups?
  14. Random · True or False14. True or false: A light-year is a unit of distance, not time.
  15. Research · Multiple choice15. What is the purpose of a sensitivity analysis?
  16. Care · Multiple choice16. What is the safest response to a new or rapidly changing symptom?
  17. Biology · Multiple choice17. What general job does neurofibromin perform?
  18. Genetics · Multiple choice18. Why can blood testing miss an NF2 pathogenic variant in some affected people?
  19. Pop culture · Multiple choice19. Which novel introduced the dystopian terms Big Brother and doublethink?
  20. Terminology · Multiple choice20. What does MPNST stand for?

NF questions are based primarily on GeneReviews and other NIH/NLM resources, with CTF, FDA, ClinicalTrials.gov, and other authoritative sources used where appropriate. Question content was last reviewed August 2026.