Student Name: _______________________ 10. What is hypoxia? 11. What are hypoxic hypoxia, histotoxic hypoxia, and Hypemic hypoxia? 12. If you experience an ear block during flight, what can you do to try to eliminate the blockage? 13. What is fatigue? 14. What are the effects of fatigue and how will this affect the pilot’s ability to fly safely? 15. What radio procedures would you use at a tower controlled airport when the tower is closed? 16. What is a CTAF? Is the CTAF frequency the same at all airports? 17. ATC gave you a clearance that you feel that you cannot safely comply with. What are you going to do? 18. How long is a temporary certificate valid? 19. How long is a ground school completion endorsement to take the FAA Written valid?