How much ethyl alcohol can a healthy liver process per hour?

Answer: A — .6 oz

One possible explanation could be The liver is responsible for filtering out toxins and chemicals in our body, including alcohol. A healthy liver can typically process about one standard drink (equivalent to .6 oz of pure alcohol) per hour. Therefore, options B, C, and D are incorrect as they all represent amounts higher than what a healthy liver can process in one hour. It's important to note that the processing of alcohol can vary based on a person's body weight, metabolism, and other factors, but as a general rule, the answer is A.