New York DMV Permit Written TestAlcohol and Drug LawsMedium
A person has been drinking alcohol. Which of the following factors will most significantly influence their Blood Alcohol Content (BAC)?
- AThe color of the alcoholic beverage.
- BTheir body weight and gender.
- CThe time of day they are drinking.
- DWhether they are listening to music while drinking.
Show answer & explanationAnswer & explanation
Correct answer: B. Their body weight and gender.
Body weight and gender are two of the most significant factors influencing BAC. A heavier person generally has more body water to dilute the alcohol, and women typically have less water and less of the enzyme that breaks down alcohol, leading to higher BACs for the same amount consumed.
Why the other options are wrong
- A. The color of the alcoholic beverage (e.g., clear spirits vs. dark beer) does not affect BAC; only the amount of pure alcohol matters.
- C. The time of day has no direct impact on how the body processes alcohol or its concentration.
- D. Listening to music has no physiological impact on alcohol absorption or metabolism.
Factors Affecting BAC
Several factors influence an individual's Blood Alcohol Content (BAC), including body weight, gender, amount of alcohol consumed, rate of consumption, and food in the stomach.
- Body weight: more body water dilutes alcohol.
- Gender: women typically have higher BACs for same intake.
- Amount of alcohol: more consumed = higher BAC.
- Rate of consumption: faster drinking = higher BAC.
Memory trick: BAC is swayed by 'Weight, Water, and Time' – don't forget the 'Food' chime.