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Oklahoma: Emergencies and crashes — Part 2 Practice Test

Questions in this part include: “Which of these is a symptom of carbon monoxide poisoning?” · “What does the manual say to do with the fresh-air vent in congested traffic?”

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17 questions · About 7 min

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Questions are original and based on the official manual "Oklahoma Driver Manual" (2025 (updated November 24, 2025)), Service Oklahoma.

All 17 questions in this practice test

Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.

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  1. Which of these is a symptom of carbon monoxide poisoning?

    • Your skin turns bright red
    • Lights seem dimmer than usual
    • Skin and lips take on a blue color
    • You feel wide awake and full of energy
    Show answer

    Correct answer: Skin and lips take on a blue color

    Blue skin and blue lips are listed symptoms, along with drowsiness, dizziness, brighter-looking lights and a tight forehead.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  2. What should you do if you notice symptoms of carbon monoxide poisoning while driving?

    • Close the windows and keep driving
    • Pull off the road, park and turn off the motor
    • Turn the heater up and drive on
    • Slow down and keep going to the next town
    Show answer

    Correct answer: Pull off the road, park and turn off the motor

    The manual says to pull off the road, park, turn off the motor and open your windows.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  3. What may a child or passenger overcome with carbon monoxide require?

    • Only a drink of water
    • Only a few minutes of sleep
    • Nothing, because the effects pass quickly
    • Artificial respiration or medical attention
    Show answer

    Correct answer: Artificial respiration or medical attention

    Someone overcome by carbon monoxide may need artificial respiration or medical attention.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  4. Who should check your exhaust system regularly to help avoid carbon monoxide poisoning?

    • A reputable mechanic
    • A police officer
    • A tow truck operator
    • A Service Oklahoma representative
    Show answer

    Correct answer: A reputable mechanic

    Regular exhaust checks by a reputable mechanic are listed as a way to avoid carbon monoxide poisoning.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  5. Which unusual sign should you watch for to help avoid carbon monoxide poisoning?

    • A squeal from the brake pedal
    • A rattle from the glove box
    • An unusual roar from under the car
    • A hum from the radio
    Show answer

    Correct answer: An unusual roar from under the car

    An unusual roar from under the car can signal an exhaust problem.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  6. What should you never do to avoid carbon monoxide poisoning?

    • Park in an open driveway
    • Run the engine in a closed garage
    • Run the heater in cold weather
    • Open the windows while parked
    Show answer

    Correct answer: Run the engine in a closed garage

    Exhaust builds up in a closed garage, so the manual says never to let the engine run there.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  7. What does the manual say to do with the fresh-air vent in congested traffic?

    • Open it
    • Point it at the windshield
    • Open it only halfway
    • Close it
    Show answer

    Correct answer: Close it

    In congested traffic the manual says to close the fresh-air vent.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  8. What does the manual say to do with the fresh-air vent on the highways in cold weather?

    • Open it
    • Close it
    • Keep it closed to hold in the heat
    • Open it only in the rain
    Show answer

    Correct answer: Open it

    On highways in cold weather the manual says to open the fresh-air vent.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 60 · Open this page in the manual (Manual page 60)

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  9. What can carrying the listed emergency items in your car reduce?

    • The cost of your auto insurance premium
    • The delay and frustration of a roadside breakdown
    • The chance of a tire blowing out on a trip
    • Your fuel use on long highway trips
    Show answer

    Correct answer: The delay and frustration of a roadside breakdown

    Being prepared for roadside emergencies reduces the delay and frustration of a breakdown and lets you help other drivers.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  10. Which of these items does the manual list for your car's emergency kit?

    • A road atlas
    • Spare fuses
    • Extra washer fluid
    • Emergency flares
    Show answer

    Correct answer: Emergency flares

    Emergency flares are one of the items on the manual's emergency kit list.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  11. What does the manual list oil in the emergency kit for?

    • Loosening lug nuts
    • Topping off the engine
    • Cleaning the windshield
    • Lubricating the horn
    Show answer

    Correct answer: Loosening lug nuts

    The kit includes oil for loosening lug nuts.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  12. Which emergency kit item does the manual list for letting other drivers know you need help?

    • A small signal whistle
    • A reflective safety vest
    • A sign with "send help" on it
    • A roll of duct tape for repairs
    Show answer

    Correct answer: A sign with "send help" on it

    The kit lists a windshield sunscreen or a sign with "send help" on it.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  13. What does the "Stay Alert . . . Stay Alive!" message advise to avoid fatigue on long trips?

    • Drive faster to arrive sooner
    • Take a break occasionally
    • Keep the windows closed
    • Drink more coffee as you go
    Show answer

    Correct answer: Take a break occasionally

    To avoid fatigue on long trips, the manual advises taking a break occasionally.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  14. For each foot the water rises around a stalled vehicle, how much lateral force is applied to the car?

    A blue car with its hazard lights on, stalled in muddy floodwater flowing across a two-lane road
    • 50 pounds
    • 150 pounds
    • 5,000 pounds
    • 500 pounds
    Show answer

    Correct answer: 500 pounds

    The manual says that for each foot the water rises, 500 pounds of lateral force are applied to the car.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  15. In effect, how much less does a car weigh for each foot the flood water rises?

    A car floating in a pond beside a road, with ripples spreading around it
    • 1,500 pounds
    • 150 pounds
    • 750 pounds
    • 3,000 pounds
    Show answer

    Correct answer: 1,500 pounds

    The car displaces 1,500 pounds of water for each foot of rise, so it effectively weighs 1,500 pounds less.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  16. In about how little water will most vehicles float, even SUVs?

    A car floating in a pond beside a road, with ripples spreading around it
    • 4 feet (48 inches)
    • 5 feet (60 inches)
    • 2 feet (24 inches)
    • 6 feet (72 inches)
    Show answer

    Correct answer: 2 feet (24 inches)

    The manual says most vehicles will float in just 2 feet (24 inches) of water, even SUVs.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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  17. According to the Flood Safety Rules, what can easily happen to cars in the water?

    Top view of a two-lane desert road dipping through a wash where muddy brown water flows across the road; the blue car approaches, still on dry pavement.
    • They can float only in deep water
    • They can stall and be carried away
    • They can cross safely at low speed
    • They can dry out the engine quickly
    Show answer

    Correct answer: They can stall and be carried away

    Cars can easily stall in water and be carried away in any current.

    Source: ⁨Oklahoma Driver Manual (2025 (updated November 24, 2025))⁩, page 62 · Open this page in the manual (Manual page 62)

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