What drives the distribution of alcohol across body compartments?

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Study for the North Carolina Intox EC/IR II Exam. Utilize flashcards and multiple choice questions, each accompanied by explanations. Prepare confidently for your test with our comprehensive resources!

Multiple Choice

What drives the distribution of alcohol across body compartments?

Explanation:
Alcohol distributes mainly in body water because it is highly soluble in water and not fat-soluble. After absorption, it rapidly equilibrates with all water-containing compartments—intracellular and extracellular—so the amount of alcohol in the body reflects total body water (about 0.6 L per kg in men, a bit less in women). It does not preferentially accumulate in fat, since ethanol doesn’t favor lipid environments. So the driving factor is its attraction to water, not fat, sugar, or air.

Alcohol distributes mainly in body water because it is highly soluble in water and not fat-soluble. After absorption, it rapidly equilibrates with all water-containing compartments—intracellular and extracellular—so the amount of alcohol in the body reflects total body water (about 0.6 L per kg in men, a bit less in women). It does not preferentially accumulate in fat, since ethanol doesn’t favor lipid environments. So the driving factor is its attraction to water, not fat, sugar, or air.

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