Exam 8: Water and Minerals

Which food can enhance nonheme iron absorption?

Skin, hair, and nails contain some of the body's more rigid proteins that have high levels of which mineral?

Which mineral is the principal positively charged ion inside body cells?

A deficiency of this mineral is a very common and preventable cause of mental retardation?

Which trace mineral is required to produce the active form of vitamin A in visual pigments?

What is the Tolerable Upper Intake Level (UL) for calcium for adults?

What is the most common cause of iron overload?

After about 25 years of age, regardless of calcium intake, bones begin to lose density.

Approximately what percentage of ingested calcium is absorbed by infants and children?

Besides bananas, which of the following foods provides an excellent source of potassium?

Studies have demonstrated that people who smoke heavily have denser bones than those of non-smokers.

Which mineral deficiency would be suspected with the presence of chronic tiredness, difficulty concentrating, and a desire to chew ice.

The high salt intakes of many Asian peoples have been suggested to be a possible cause for elevated rates for what health problem?

Which element plays a major role in maintaining fluid balance, electrolyte balance, and cell integrity, and is critical to maintaining the heartbeat?

Zinc supplements can reach toxic doses, but zinc found in foods is nontoxic.

Why do nutrition authorities recommend foods as the source of calcium rather than supplements?

Sodium is the positive ion in the compound sodium chloride and makes up 20 percent of the compound's weight.

Which group of minerals is considered electrolytes?

What dietary intervention may improve osteoporosis?

The body needs only a very small quantity of iodine.