Theory Mastery

WVW 1994 art. 163: breath analysis

Official text on wetten.overheid.nl

The police may order a breath test and breath analysis (or a blood test); refusing is a punishable offence.

Source: WVW 1994 art. 163 · checked 2026-10-23

This article is listed in the law overview

How the exam asks it

About Alcohol behind the wheel: the limit and the glass: which statement is correct?

  1. The limit applies to the driver of a VEHICLE, and a bicycle is a vehicle.
  2. A novice driver may drive up to 0.5 promille, just like an experienced driver.
  3. Drinking one standard glass of alcohol makes no difference to your fitness to drive — it will not show up in the test.
  4. A strong cup of coffee or a few glasses of water sober you up faster than simply waiting.
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Correct answer: The limit applies to the driver of a VEHICLE, and a bicycle is a vehicle.

The limit applies to the driver of a VEHICLE, and a bicycle is a vehicle. Only the lowered novice limit (0.2 promille) is restricted to licence-requiring motor vehicles

Why learners get this wrong: A novice driver may drive up to 0.5 promille, just like an experienced driver.

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About Medicines, drugs and the yellow sticker: which statement is WRONG?

  1. The standard is 'knows or ought to know that use can impair driving ability', not 'has a sticker'.
  2. The law explicitly names any substance you know or ought to know can impair driving ability — that includes prescribed medicines just as much as illegal drugs, exactly why the yellow sticker appears on legal, pharmacy-obtained medication.
  3. For combined use, each substance's limit becomes the lowest measurable amount: a zero-limit, lower than for single use.
  4. A medicine you take only once is completely out of your system again after a few hours.
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Correct answer: A medicine you take only once is completely out of your system again after a few hours.

Some medicines remain active in the body for up to 48 hours, even after a single use. 'Taken once' says nothing about how long driving ability stays affected

Why learners get this wrong: If there is no yellow sticker on the packaging, you may drive without any restriction on that medicine.

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About Alcohol behind the wheel: the limit and the glass: which statement is WRONG?

  1. One standard glass contains about 12 ml of pure alcohol and produces on average 0.2 to 0.3 promille.
  2. The limit applies to the driver of a VEHICLE, and a bicycle is a vehicle.
  3. For an experienced driver the breath limit is 88 micrograms per litre.
  4. The body breaks down alcohol at a fixed rate of 0.1 to 0.2 promille per hour, regardless of coffee or water.
Show the answer

Correct answer: For an experienced driver the breath limit is 88 micrograms per litre.

220 micrograms per litre is the limit for the experienced driver; 88 micrograms per litre applies to the novice driver. The two figures are swapped

Why learners get this wrong: Drinking one standard glass of alcohol makes no difference to your fitness to drive — it will not show up in the test.

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