In low doses,the first effect of alcohol is to depress the cerebral cortex.This weakens the ability of the cortex to control and inhibit behaviour,so people feel stimulated.However,alcohol is a

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In low doses, the first effect of alcohol is to depress, or slow down, the cerebral cortex. This is why it weakens the ability of the cortex to control and inhibit behavior. Therefore, the best choice is B, which is depressant.

In Low Doses,the First Effect of Alcohol Is to Depress