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Multiple Choice
Which statement is correct regarding the rate of metabolism of alcohol?
A
The rate of alcohol metabolism is faster in women than in men.
B
The rate of alcohol metabolism increases linearly with concentration.
C
The rate of alcohol metabolism decreases as concentration increases.
D
The rate of alcohol metabolism is constant and independent of concentration.
Verified step by step guidance
1
Understand that the metabolism of alcohol in the human body is primarily carried out by the enzyme alcohol dehydrogenase, which converts alcohol to acetaldehyde.
Recognize that the rate of alcohol metabolism is generally constant due to the saturation of the enzyme alcohol dehydrogenase at typical alcohol concentrations found in the bloodstream.
This constant rate of metabolism is described by zero-order kinetics, meaning the rate does not change with varying concentrations of alcohol.
Consider the physiological differences between men and women, such as body composition and enzyme levels, which can affect the rate of alcohol metabolism, but the statement in question is about concentration dependence.
Conclude that the correct statement is that the rate of alcohol metabolism is constant and independent of concentration, reflecting the zero-order kinetics of alcohol metabolism in the body.