Question

1. the most common form of color blindness is the inability to distinguish between: a. red and yellow. b. green and yellow. c. red and green. d. green and blue. 17. it’s a beautiful day and you are traveling in the right lane of a two - way highway, but need to make an emergency stop; however there is a tractor - trailer following you. you should: a. signal and steer off the road and then stop. b. put on your hazard lights and come to a stop in your lane. c. move to the left lane and come to a stop. d. none of the above is correct. 18. developing skills to check traffic behind you may help avoid collisions when conditions change suddenly. a. true b. false 19. which of the following is most important when judging clearance for braking: a. vehicle color. b. vehicle type. c. vehicle speed. d. vehicle age. 20. a recent study of more than 11,000 crashes revealed that ______ of drivers took no action to avoid a collision. a. 17 percent. b. 27 percent. c. 37 percent. d. 47 percent. 21. all of the following are off - road obstacles except: a. shrubbery. b. signs. c. buildings. d. other drivers.

Explanation:

1. Red - green color blindness is the most common type, where individuals have difficulty distinguishing between red and green.
2. When needing to make an emergency stop with a large vehicle like a tractor - trailer behind, it's safest to signal and steer off the road to avoid being rear - ended.
3. Regularly checking traffic behind helps anticipate sudden changes and avoid collisions.
4. Vehicle speed is crucial in determining braking clearance as it affects stopping distance.
5. Studies have shown that a significant portion of drivers take no action to avoid a collision, and 27 percent is a common statistic in such research.
6. Other drivers are on - road elements, not off - road obstacles. Shrubs, signs, and buildings can be off - road obstacles.

Answer:

1. c. Red and green.
2. a. Signal and steer off the road and then stop.
3. a. True
4. c. Vehicle speed.
5. b. 27 percent.
6. d. Other drivers.