SmartServe Ontario Practice Exam

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What is the main factor that affects BAC after consuming alcohol?

The type of alcohol consumed
The amount of alcohol consumed
The time of day
The individual's body weight

The correct answer is: The amount of alcohol consumed

The amount of alcohol consumed is indeed the main factor that affects blood alcohol concentration (BAC) after drinking. This is because BAC is fundamentally a measure of how much alcohol is present in a person's bloodstream; as the volume of alcohol consumed increases, so does the BAC, typically in a proportional manner. Other factors, while relevant, play a secondary role in influencing overall BAC levels. For example, the type of alcohol consumed can affect how quickly it is absorbed or metabolized, but it does not change the direct relationship between alcohol volume and BAC. Similarly, the time of day may influence drinking patterns or the body's metabolic processes, but does not directly correlate with the BAC calculation. Individual body weight can also impact BAC because it can influence how alcohol is distributed in the body, but again, the primary driver remains the total amount of alcohol ingested. Therefore, understanding the direct impact of volume on BAC is crucial for responsible alcohol consumption and overall safety.