As you probably already know, bodybuilders like Mario are very interested in nutrition, but sometimes they have misconceptions about nutrients. When Mario is lifting he is engaging in very high intensity resistance exercise and will primarily depend on carbohydrates to fuel his activity. But he has always heard that protein is the key nutrient for bodybuilders, not carbohydrate. If you were talking to Mario about nutritional guidelines and heard him make any of the statements below, would you know which ones are true and which are false or misconceptions? Go ahead and give it a try. You can access Mario's registration record if you want to review it as you answer these questions. T F     A. The proteins that are stored in my muscles provide me with the fuel I need to lift weights. B. The glycogen that is stored in my liver helps me maintain my blood sugar and my level of concentration. C. A high carbohydrate diet will cause me to gain body fat. D. As a bodybuilder, I should consume as many carbohydrates as possible because there is virtually no limit to the amount of carbohydrates that can be stored in muscle glycogen. E. All carbohydrates contain fiber, which is necessary for my good health. When you're finished, let's have you consider the role carbohydrates play in Sheila's training and performance.