Louisiana: Distracted and drowsy driving — Part 2 Practice Test
Questions in this part include: “Between which hours does the manual say to try to limit driving to prevent drowsy driving?” · “Which lane-related behavior does the manual list as a warning sign of drowsy driving?”
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Questions are original and based on the official manual "Class D & E Driver’s Guide" (Revised August 2025 (DPSMV2052 R08/25)), Louisiana Office of Motor Vehicles.
All 19 questions in this practice test
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To prevent drowsy driving, which hours does the manual say you should avoid driving because they are the body’s natural sleep times?
- Late night and early morning hours
- Midday and early afternoon hours
- Rush hours in the morning and evening
- Sunset and the first hour after dark
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Correct answer: Late night and early morning hours
The manual says to avoid driving late night and early morning hours, which are the body’s natural sleep times.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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Between which hours does the manual say to try to limit driving to prevent drowsy driving?
- 1 a.m. and 7 a.m.
- 2 a.m. and 8 a.m.
- Midnight and 6 a.m.
- 9 p.m. and 3 a.m.
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Correct answer: Midnight and 6 a.m.
The manual says to try to limit driving between midnight and 6 a.m.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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What does the manual say about setting travel goals to prevent drowsy driving?
- Plan the shortest possible time and skip stops
- Set realistic goals for the time the trip will take
- Plan to drive straight through without breaks
- Set a goal that requires driving through the night
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Correct answer: Set realistic goals for the time the trip will take
The manual says to set realistic travel goals about the time it will take to reach your destination.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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To prevent drowsy driving, which foods does the manual say to avoid because they can contribute to fatigue?
- Foods high in protein and fiber
- Foods high in vitamins and minerals
- Foods high in water content
- Foods high in fat and sugar
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Correct answer: Foods high in fat and sugar
The manual says to eat healthy meals and avoid foods high in fat and sugar, which can contribute to fatigue.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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To prevent drowsy driving, how often does the manual say to switch drivers, even if you don’t feel tired?
- Every hour
- Every four hours
- Every two hours
- Every six hours
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Correct answer: Every two hours
The manual says to share the driving and switch drivers every two hours, even if you don’t feel tired.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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What does the manual say sugar and caffeine do?
- Promote short-term alertness but may increase later drowsiness
- Keep you fully alert for the whole length of a long trip
- Have no effect on drowsiness during a long trip
- Reduce drowsiness only when taken with a meal
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Correct answer: Promote short-term alertness but may increase later drowsiness
The manual says sugar and caffeine promote short-term alertness but may increase drowsiness over longer periods of time.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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Why does the manual say to keep the inside of your vehicle at a cool temperature?
- To make passengers sleep during the trip
- To save fuel on long trips
- To keep the windshield from fogging
- To help prevent drowsy driving
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Correct answer: To help prevent drowsy driving
Keeping the inside of your vehicle at a cool temperature is listed among the ways to prevent drowsy driving.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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To prevent drowsy driving, what kind of radio programming does the manual say helps keep you alert?
- Slow music
- Talk shows
- Loud music
- Music with a steady rhythm
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Correct answer: Talk shows
The manual says to listen to radio talk shows rather than music, because the discussion format will help keep you alert.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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Which of these is listed as a warning sign of drowsy driving?
- Inability to recall the last few miles traveled
- Noticing every traffic sign early
- Feeling very energetic
- Keeping your car centered in the lane with ease
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Correct answer: Inability to recall the last few miles traveled
The manual lists the inability to recall the last few miles traveled as a warning sign of drowsy driving.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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Which lane-related behavior does the manual list as a warning sign of drowsy driving?
- Staying well within your own lane at all times
- Seeing every traffic sign clearly and early
- Drifting from the lane in which you are driving
- Feeling your head is very light and energized
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Correct answer: Drifting from the lane in which you are driving
The manual lists drifting from the lane in which you are driving as a warning sign of drowsy driving.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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Which group does the manual say seems to be more at risk of drowsy driving?
- Young males between the ages of 30 and 45
- Young males between the ages of 16 and 29
- Females between the ages of 16 and 29
- Drivers between the ages of 45 and 60
Show answer
Correct answer: Young males between the ages of 16 and 29
The manual says young males between the ages of 16 and 29 seem to be more at risk of drowsy driving.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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Which people does the manual say also face higher risk for drowsy driving?
- People who drive only on weekends or holidays
- People who commute less than ten miles to work each day
- People who eat a large meal before they drive
- People who work shift work and have disrupted sleep patterns
Show answer
Correct answer: People who work shift work and have disrupted sleep patterns
The manual says individuals who work shift work and have their sleep patterns disrupted also face higher risk for drowsy driving.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 57 · Open this page in the manual (Manual page 57)
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The manual gives anesthesia during a surgical procedure as an example of which kind of health condition affecting driving?
- A permanent condition
- A condition that only affects night driving
- A short-term condition
- A condition that applies only to commercial drivers
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Correct answer: A short-term condition
The manual says some conditions may be short term, such as the anesthesia given during a surgical procedure, and your doctor may advise you not to drive for a certain length of time.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 58 · Open this page in the manual (Manual page 58)
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Which of these does the manual list as a health condition that may affect your ability to drive safely?
- Dental problems
- Skin conditions
- Stomach ulcers
- Diabetes
Show answer
Correct answer: Diabetes
The manual lists diabetes among the health conditions that may affect your ability to drive safely, along with blackouts or fainting, vision problems, heart disease, epilepsy and others.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 58 · Open this page in the manual (Manual page 58)
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What does the manual say about having one of the listed health conditions?
- You must surrender your license immediately after diagnosis
- You may drive only with your doctor in the vehicle
- It does not necessarily mean you can no longer drive
- You may drive only on interstate highways at night
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Correct answer: It does not necessarily mean you can no longer drive
The manual says having any of these conditions does not necessarily mean that you will be unable to continue driving.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 58 · Open this page in the manual (Manual page 58)
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Which of these does the manual say you may need to do if you have a health condition that affects your driving?
- Restrict your driving to daylight only
- Restrict your driving to interstate highways
- Restrict your driving to weekends
- Restrict your driving to late-night hours
Show answer
Correct answer: Restrict your driving to daylight only
The manual says you may need to visit your doctor more often, restrict driving to daylight driving only, wear corrective lenses, or drive only on familiar streets and roads.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 58 · Open this page in the manual (Manual page 58)
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What must drivers practice that is guided by alertness, concentration, and interest?
- Active attention
- Passive observation
- Defensive acceleration
- Constant mirror checking
Show answer
Correct answer: Active attention
When driving you must practice active attention and remain guided by alertness, concentration, and interest.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 63 · Open this page in the manual (Manual page 63)
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Using a cell phone while driving involves which types of distraction?
- Visual and manual only
- Visual, manual and cognitive
- Manual and cognitive only
- Cognitive only
Show answer
Correct answer: Visual, manual and cognitive
Cell phone use while driving involves all three types of distraction: visual (eyes off the road), manual (hands off the wheel) and cognitive (mind off driving).
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 77 · Open this page in the manual (Manual page 77)
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If you must make a phone call while you are driving, what should you do first?
- Slow to 10 mph below the speed limit
- Move into the far left lane
- Pull safely off the road and stop
- Turn on your flashers and keep going
Show answer
Correct answer: Pull safely off the road and stop
If you must make a call, pull safely off the road and stop before making the call.
Source: Class D & E Driver’s Guide (Revised August 2025 (DPSMV2052 R08/25)), page 77 · Open this page in the manual (Manual page 77)