What is the term for the pressure that develops when two solutions of varying concentrations are separated by a membrane?
Which of the following body structures helps to regulate thirst?
Which of the following are functions of water in the body?
Maintains protein structure
Participant in chemical reactions
When a person loses fluid by sweating or bleeding, what minerals are lost in the greatest quantity?
Sodium and chloride
Normally, what is the relationship of the amount of sodium excreted to the amount ingested that day?
Intake and excretion are equal
What is the greatest single source of sodium in the diet?
Which of the following is a feature of sodium and health?
High sodium intake is known to promote calcium excretion.
Which of the following is a feature of calcium in the body?
Higher calcium intakes correlate with lower body fatness.
Almost all (99%) of the calcium in the body is used to
provide rigidity for the bones and teeth.
Which of the following shows the highest bioavailability for calcium?
Which of the following is a feature of phosphorus in nutrition?
Dietary deficiencies are virtually unknown.
Which of the following is a major function of magnesium?
Catalyst in energy metabolism
What is the major source of dietary sulfur?
Which of the following is a major function of chloride?
Helps maintain gastric acidity
Which of the following is the primary function of potassium?
Acts as principal intracellular electrolyte
What is the oxygen carrying protein of muscle cells?
What factors are known to enhance the absorption of iron
Which of the following is a common side effect from taking iron supplements?
What is the major cause of iron deficiency?
Which of the following individuals would most likely need an iron supplement?
Which of the following would be the most appropriate food source of iodide for a person who lives inland?
Iodized table salt
Which of the following may result from iodine deficiency?
What is the most reliable source of dietary fluoride?
Public drinking water
A deficiency of this element retards growth and arrests sexual maturation
A significant source of dietary fluoride
Iron-containing protein in erythrocytes
The least prevalent major mineral in the body
The most prevalent major mineral in the body
Substance in tea or coffee that reduces iron absorption