2025 Iowa Permit Test 10
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in Iowa. Each permit practice test question has three answer choices. Select one answer for each question and select "grade this section." You can find this button at the bottom of the drivers license quiz. For a complete list of questions and answers for Iowa please visit https://cheat-sheets.dmv-written-test.com/en/iowa/car.
Number of Tests
Number of Question
Passing Score
17. If you approach a traffic light with a red signal and a police officer directs you to go through the intersection without stopping, you should:
Explanation
Instructions given by police officers directing traffic always override posted traffic signals and signs. Follow the officer's instructions.
18. Only ____ can lower blood alcohol concentration (BAC) and reduce alcohol's effects on a body.
Explanation
The only way to sober up after drinking alcohol is to allow time for your body to eliminate the alcohol in your system. Nothing you can do, including eating and drinking, can accelerate this process.
19. At an intersection with stop signs on all corners, yield the right-of-way to any driver:
Explanation
After coming to a full stop, vehicles should proceed through a four-way stop in the order in which they arrive to the intersection. If multiple vehicles arrive at the same time, the vehicle on the left must yield the right-of-way to the vehicle on the right.
20. Which of the following does not happen after drinking?
Explanation
Alcohol reduces your reaction time, reduces your ability to see clearly, changes your judgment of speed and distances, reduces your ability to recover from the glare of headlights, and often reduces your inhibitions and makes you more likely to take risks.
21. Excessive speed:
Explanation
Excessive speed is one of the most common contributing factors to vehicle crashes. Excessive speed does not save time and often leads to high-risk decision-making.
22. This sign means:
Explanation
Where this sign is posted, it is prohibited to make a right turn. It would be unsafe and unlawful to make a right turn at an intersection with this sign.
23. If you come to an intersection controlled by a flashing yellow light, you must:
Explanation
A flashing yellow traffic light means drivers must slow down, be more aware, and proceed with caution. Be alert to crossing traffic and pedestrians.
24. This sign means:
Explanation
