Discuss the essential nature of selenium. Where and why are deficiencies observed in the world?

What will be an ideal response?


Selenium is one of the body's antioxidant nutrients, working primarily as a part of proteins—most notably, the glutathione peroxidase enzymes. Glutathione peroxidase and vitamin E work in tandem. Glutathione peroxidase prevents free-radical formation, thus blocking the chain reaction before it begins; if free radicals do form and a chain reaction starts, vitamin E stops it.

Nutritional Science

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The RD discusses the use of the FODMAP assessment to identify potential trigger foods. Describe the use of this approach for Mrs. Clarke. How might a food diary help her determine which foods she should avoid?

What will be an ideal response?

Nutritional Science

How are thiamin and riboflavin similar?

a. They are a source of energy for the body. b. They appear in animal protein foods. c. They can be readily synthesized by the body. d. They help metabolize the macronutrients.

Nutritional Science

Zinc is a trace mineral that plays a critical role in

What will be an ideal response?

Nutritional Science

Patient X has COPD. The patient is receiving an oral diet, but complains of feelings of bloating. When the dietitian monitors the patient's eating at one meal, she notes that the patient is demonstrating aerophagia. What recommendation should the dietitian make to reduce the patient's bloating discomfort?

a. Increase intake of high-fiber foods. b. Drink liquids through a straw. c. Avoid dairy products. d. Eat smaller, more frequent meals.

Nutritional Science