SmartServe Ontario Practice Exam

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Which organ is primarily responsible for metabolizing alcohol?

Kidneys
Liver
Heart
Lungs

The correct answer is: Liver

The liver is the primary organ responsible for metabolizing alcohol. When alcohol is consumed, it is absorbed into the bloodstream and transported to the liver, where enzymes break it down. The main enzyme involved in this process is alcohol dehydrogenase, which converts alcohol into acetaldehyde, a toxic compound that is then further metabolized into less harmful substances. This metabolic process is crucial as it helps to manage the body’s alcohol levels and minimize its toxic effects. The liver's role in alcohol metabolism is significant because it determines how quickly and effectively alcohol is cleared from the body, influencing factors such as intoxication levels and the risk of alcohol-related health issues. Other organs listed, like the kidneys, heart, and lungs, have roles in bodily functions, but they do not primarily handle alcohol metabolism.