Sharon is an 18-year-old college student who drinks soda at lunch, at dinner, and with snacks. You notice that she rarely drinks milk and suggest that she start because the calcium recommendation for someone 9 to 18 years of age is ____.

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. Jill and John are out to dinner and deciding what to order. Which choice most closely follows the guidelines from your text for selecting healthy protein sources?

According to the Dietary Reference Intakes (DRI), _________ of the calories in a balanced diet should be obtained from protein.

Citrus juices are high in ____ and low in ____.

The main function of vitamin D is ____.

What helps keep the body from consuming its vital tissues for energy in a prolonged diet or starvation?

__________ increase(s) both total cholesterol and LDL-cholesterol.

Twins raised by adoptive parents tend to have body shapes similar to their biological parents. This supports which theory of obesity?

Tom runs for his school’s track team. He weighed himself before and after his race and found he had lost 2 pounds. Approximately how much water loss does this represent?

Susan is deciding what to order for lunch at the fast-food restaurant near her school. Which combination would you recommend as the best nutritional selection?