Question

which is one way that alcohol affects driving?
○ alcohol impairs motor skills.
○ alcohol improves decision - making.
○ alcohol increases normal brain function.
○ alcohol speeds up the nervous system.

Explanation:

To determine the correct answer, we analyze each option:

• "Alcohol improves decision - making" is incorrect. Alcohol impairs cognitive functions, including decision - making.
• "Alcohol increases normal brain function" is wrong. Alcohol depresses brain function, not increase it.
• "Alcohol speeds up the nervous system" is incorrect. Alcohol is a depressant and slows down the nervous system.
• "Alcohol impairs motor skills" is correct. Alcohol affects the brain and nervous system, leading to a decrease in motor skills which is crucial for driving.

Answer:

A. Alcohol impairs motor skills.