Exam 8: Water and Minerals

Which mineral ion plays a special role as a part of stomach acid?

Water assists in which of the following body functions?

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

What iron-containing compound carries and stores oxygen in the muscles?

According to the Dietary Reference Intakes (DRI) recommendations, which one of the following groups should consume 8 mg of iron per day?

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

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

An athlete training in the heat can sweat out a great deal of fluid. Approximately how many litres of fluid can he/she lose per hour of training?

What is the most common cause of osteoporosis?

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

Elevated blood levels of which amino acid have been linked with osteoporosis?

The body needs only a very small quantity of iodine.

What is the name of the mineral that assists a group of enzymes working in concert with vitamin E to prevent the formation of free radicals and prevent oxidative harm to cells and tissues?

The mineral silicon is known to be involved in bone calcification in animals.

What is the name given to a possible symptom of iron deficiency characterized by the consumption of nonfood substances?

Fluctuations in body water show up on a weight scale. How long does it take to notice water weight changes in the body?

What part of the body plays the major role in monitoring the concentration of water in the blood?

Which of the following foods provides the smallest amount of available zinc?

Which of the following foods is the best source of phosphorus?

A child in a health clinic displays growth retardation, impaired immunity, and a poor appetite. This child most likely has a deficiency of which of the following minerals?