What is one primary effect of alcohol on the human body?

Answer: B — Impaired mental and physical performance

Alcohol primarily affects the central nervous system, leading to impaired mental and physical performance. When consumed, alcohol acts as a depressant, which slows down brain function and disrupts coordination, judgment, and reaction times. This impairment can manifest in various ways, such as difficulty in performing tasks that require fine motor skills, longer processing times for information, and poor decision-making capabilities. The impact of alcohol on mental performance can lead to increased risks of accidents and poor choices, highlighting the importance of responsible consumption when serving or consuming alcoholic beverages. Understanding how alcohol impairs performance is crucial for servers and those in the hospitality industry, as it plays a significant role in ensuring customer safety and promoting responsible service.