What is a Registered Dietician Nutritionist and how are they different from "nutritionists"?


Registered dietitian nutritionists (RDNs), also called registered dietitians (RDs), and nutrition professionals with advanced degrees (M.S., Ph.D.) are experts. These professionals are probably in the best position to answer a person's nutrition questions. On the other hand, a "nutritionist" may be an expert or a quack, depending on which state the person practices in. Some states require people who use this title to meet strict standards. In other states, a "nutritionist" may be any individual who claims a career connection with the nutrition field. There is no accepted national definition for the term nutritionist. Other purveyors of nutrition information may also lack credentials. A health-food store owner may be in the nutrition business simply because it is a lucrative market. The owner may have a background in business or sales and no education in nutrition at all. Such a person is not qualified to provide nutrition information to customers. For accurate nutrition information, seek out a trained professional with a college education in nutrition—an expert in the field of dietetics. All registered dietitians are nutritionists, but not all nutritionists are registered dietitians. Some state licensing boards set specific qualifications for holding the title. For states that regulate this title, the definition varies from state to state. To obtain some "nutritionist" credentials requires little more than a payment.

Nutritional Science

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Metabolism of protein may promote satiety by decreasing the secretion of a hormone called ghrelin.

Answer the following statement true (T) or false (F)

Nutritional Science

Frank is a 52-year-old teacher who has been working long hours over the past six months. He finds himself so busy that he rarely eats during the day and only eats about 1,000 kcal daily. Recently, Frank has been experiencing weakness, fatigue, and poor appetite. His healthcare provider believes these symptoms may be a result of a deficiency of one or more vitamins. This stage of a vitamin deficiency is called the biochemical stage.

Answer the following statement true (T) or false (F)

Nutritional Science

Monozygotic twins are _____, while dizygotic twins are _____

a. always the same sex; always different sexes b. the same sex 50% of the time; always the same sex c. always the same sex; the same sex 50% of the time d. always different sexes; always the same sex e. the same sex 50% of the time; always different sexes

Nutritional Science

Heat is transferred by _____ in broiling, grilling, and microwaving

a. convection b. radiation c. induction d. conduction

Nutritional Science