North Carolina Intox EC IR II Practice Exam

Which statement best describes distribution in alcohol metabolism?

The distribution of alcohol between blood and all body water compartments due to alcohol's attraction to water The process of breaking down alcohol in the liver The process of eliminating alcohol via lungs The distribution is driven by gastric emptying rate

Correct Answer:

The distribution is driven by gastric emptying rate

Explanation:

Distribution describes how alcohol moves from the bloodstream into the body's water-filled tissues after it has been absorbed. In practice, the speed at which the stomach empties its contents into the small intestine largely determines how quickly alcohol enters the blood and becomes available to distribute into body water compartments. A faster gastric emptying rate means alcohol is absorbed more quickly, leading to a quicker distribution into tissues and a steeper rise in BAC. A slower emptying rate slows both absorption and the subsequent distribution phase. The other processes—metabolism in the liver and elimination via the lungs—are separate steps that occur after distribution has begun, so they don’t define how distribution itself occurs.

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