What is a "breath test"?

1. AA stress test that measures the amount of air entering the lungs of the vehicle's driver while driving.
2. BA test in which a person blows into a device that gives information about the volume of his lungs.
3. CA test performed by the family doctor for an applicant for a new driving licence, at the request of the Licensing Authority.
4. DA test of air blown into a device that gives information about the level of alcohol concentration in the blood of the person tested.

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