Final answer:
Blood alcohol concentration (BAC) is influenced by factors like body weight, metabolic rate, food intake, and rate of consumption. Men generally metabolize alcohol faster than women, and eating can slow the absorption of alcohol, affecting BAC levels.
Step-by-step explanation:
The level of blood alcohol concentration (BAC) in an individual's bloodstream can be influenced by several factors. Four key factors include:
- Body Weight: Individuals with higher body mass typically have a lower BAC after consuming the same amount of alcohol because the alcohol is distributed into a larger volume of fluid.
- Metabolic Rate: The rate at which the liver metabolizes alcohol can affect BAC. Men generally metabolize alcohol faster than women.
- Food Intake: Eating before or while drinking can slow the absorption of alcohol into the bloodstream, reducing BAC levels.
- Rate of Consumption: Drinking alcohol more rapidly can lead to higher BAC levels as the body may not be able to metabolize the alcohol as quickly as it is consumed.
Individual rates of alcohol metabolism can vary by approximately 25-30%, and factors such as age, sex, and pre-existing health conditions also play a role in the level of BAC achieved.