NURSING EXAM QUESTIONS
TOXICOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A breathalyzer measures the amount of alcohol in a person’s:
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Blood
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Brain
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Deep breath
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Stomach
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Explanation:
Detailed explanation-1: -A breath alcohol test measures how much alcohol is in the air you breathe out. The device uses that measurement to estimate how much alcohol is in your blood. That number is known as your BAC, or blood alcohol content. It may go up as soon as 15 minutes after drinking.
Detailed explanation-2: -As the driver breathes out, the device continuously monitors the expired air using an infrared cell. The concentration of ethanol climbs as expiration continues, and when the level of ethanol stabilises, the sample of breath is analysed.
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