新交通法明确规定不得醉酒驾车。醉酒的人驾车时明显表现为反应慢

新交通法明确规定不得醉酒驾车。醉酒的人驾车时明显表现为反应慢、动作不协调,从而影响各项操作。造成驾车人动作不协调的主要原因是酒精麻醉了人的    

A、大脑        B、脊髓        C、小脑        D、脑干

 

答案

C

解析:酗酒对人体健康的危害:酒中含有酒精,饮酒多了,会使脑处于过度兴奋或麻痹状态,协调全身肌肉活动和维持身体平衡的是小脑。

 

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