Which statement is correct regarding metabolism of alcohol?

A. A small portion of ingested alcohol is not metabolized and is excreted unchanged through the breath, urine and sweat.
B. Metabolism of alcohol is a one-step process and is accomplished through the enzyme alcohol dehydrogenase.
C. Alcohol does NOT cross the blood-brain barrier.
D. The greatest proportion of absorption and metabolism occurs in the oral mucosa and this is felt as a burning sensation when you hold the alcohol in your mouth prior to swallowing it.


Answer: A

Health & Biomechanics

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