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?

The more fit a muscle is, the ____ it can burn for energy when oxygen is present.

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?

Vignette #1 John is 35 and interested in gaining muscle mass and decides to check out the nutritional supplements at the local health food store. The clerk approaches him wearing a white lab coat; this immediately impresses John, who now thinks that the clerk is well informed. John explains that his goal is to gain the maximum muscle mass in the shortest time. The clerk is eager to assist John and says, “Let me show you the products that will benefit you most.” Let’s see if the clerk really knows what ergogenic aids are all about by answering these questions. The clerk recommends John purchase creatine. Which statement describes a false claim attributed to this substance?

Matt sprays his pan with cooking spray instead of using the two tablespoons of olive oil that he usually sautés his vegetables with. This change reduces the calories from fat in this recipe by approximately ____.

The health benefits of tea appear to be dose-dependent meaning that __________.

How much physical activity is recommended for children

Vignette #1 Suzanne and Bob have noticed that Kelly, their 16-year-old daughter, has been losing weight lately. She exercises at the gym almost 4 hours a day and seems to be skipping meals. They discuss this with Kelly at the dinner table, but she says there is no problem and urges them to stop worrying. Before taking drastic steps, Suzanne and Bob call their pediatrician. They discuss what has been going on with Kelly and begin to gather facts concerning disordered eating. Let’s see how much they have learned by answering these questions. Kelly visits her pediatrician and he notes several symptoms. Which of these symptoms is unlikely to be due to anorexia nervosa?