Vignette #1 John has started working out at the local gym and has been buying protein-packed snack bars and other high-protein foods. He started at 180 pounds and has increased his weight to 195 pounds. He is convinced the extra weight is all muscle. His wife, Jill, thinks that there may be risks involved with eating extra protein. They decide to find out more about how much protein they need and explore the risks associated with consuming too much as well as too little protein.  Based on your text, answer the following questions. John has been eating a typical high-protein diet ever since he began working out regularly. Which description most likely characterizes his diet?

The trace mineral ______ works closely with insulin to help the cells take up glucose.

Which athlete would most likely be at risk for iron deficiency?

What is another name for high blood glucose?

Foods with a low glycemic index number are digested slowly which may increase ______.

Sam and Regina have a two-year old daughter, Keira. Sam wants Keira to follow the same low-fat diet like the one he and Regina follow. What advice would you give these parents?

_________ is found in all proteins but is absent in carbohydrates or fats.

_____ are the part of the body responsible for sensing blood pressure.

Which of these foods would enhance the absorption of iron?

Suppose you are planning a romantic summer picnic with your significant other, and don’t have a cooler. Which menu would be the safest (that is, the least likely to cause a foodborne illness)?