Unit 14

Question 1

Emotions are…

Answer 1

A strong feeling such as anger, fear, or joy

Question 2

What is anger while driving called?

Answer 2

Road Rage

Question 3

What percent of information while driving is gathered through your eyes?

Answer 3

More than 90%

Question 4

What is visual acuity?

Answer 4

The ability to see things clearly both near and far away

Question 5

What is the normal visual acuity?

Answer 5

20/20- 20 feet away from an eye chart

Question 6

What is the minimum visual acuity needed to drive?

Answer 6

20/40 corrected vision

Twice as close to things than 20/20

Question 7

What is color vision?

Answer 7

The ability to distinguish one color from another

Question 8

What is color blindness?

Answer 8

Not being able to distinguish colors

Question 9

How can a color blind person compensate for their inability to see colors while driving?

Answer 9

Remember the order of the lights in traffic signals
Know the meaning of traffic signs by shape or by reading them all carefully
Check all zones, including left/right/90 degrees before proceeding at traffic signals
Take cues from others

Question 10

What is your field of vision?

Answer 10

The area you can see around you by looking straight ahead- most people see 90 degrees to each side (half circle)

Question 11

What is your central vision?

Answer 11

The straight-ahead, 10 degree, clear part of your central vision

Question 12

What is the are outside your central vision?

Answer 12

Peripheral Vision

Question 13

What is the peripheral vision closest to the central vision?

Answer 13

Fringe vision

Question 14

What do you see with your fringe vision?

Answer 14

Side fringe- Monitor a zone condition after it has been identified in the central vision
Upper Fringe- detect changes in the rear-view mirror
Lower fringe- monitor reference points for position

Question 15

What is tunnel vision?

Answer 15

A narrow field of vision of 140 degrees or less that is compensated with more head and eye movement

Question 16

What is depth perception?

Answer 16

The ability to judge distance between yourself and other objects

Question 17

What is night blindness?

Answer 17

Not being able to see well at night

Question 18

When/How does glare occur?

Answer 18

Night and Day- Bright sunlight or light off of shiny objects

Question 19

What is glare resistance?

Answer 19

Ability to continue seeing when looking at bright lights

Question 20

When are you most vulnerable to glare?

Answer 20

Night- your pupils try to take in any available light due to the surrounding darkness

Question 21

What is glare recovery time?

Answer 21

Time your eyes need to regain clear vision after being affected by glare
Usually 5-10 seconds

Question 22

What is speed smear?

Answer 22

Objects to your side often become blurred and distorted due to increasing speed

Question 23

What senses, besides vision, do you use when driving?

Answer 23

Hearing, smell, and sense of motion

Question 24

What are some temporary disabilities that affect your driving?

Answer 24

Fatigue or temporary illness or injuries

Question 25

Where does carbon monoxide come from?

Answer 25

Exhaust fumes

Question 26

What is carbon monoxide?

Answer 26

A colorless, odorless, tasteless deadly gas

Question 27

What can small amounts of carbon monoxide do to you?

Answer 27

Drowsiness, headaches, muscular weakness, mental dullness, and nausea

Question 28

Where should you be especially aware of carbon monoxide in your vehicle?

Answer 28

Heavy traffic and enclosed areas such as tunnels and parking buildings

Question 29

How do you compensate for temporary disabilities while driving?

Answer 29

Extra space cushion and take fewer chances

Question 30

What is an illness that lasts over a period of years?

Answer 30

Chronic Illness