Human Nutrition

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Author:
JenKess
ID:
32009
Filename:
Human Nutrition
Updated:
2010-08-31 05:23:06
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FON241
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Description:
Lesson 10
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  1. What is the term for the pressure that develops when two solutions of varying concentrations are separated by a membrane?
    Osmotic pressure
  2. Which of the following body structures helps to regulate thirst?
    Hypothalamus
  3. Which of the following are functions of water in the body?
    Lubricant

    Maintains protein structure

    Participant in chemical reactions
  4. When a person loses fluid by sweating or bleeding, what minerals are lost in the greatest quantity?
    Sodium and chloride
  5. Normally, what is the relationship of the amount of sodium excreted to the amount ingested that day?
    Intake and excretion are equal
  6. What is the greatest single source of sodium in the diet?
    Processed foods.
  7. Which of the following is a feature of sodium and health?
    High sodium intake is known to promote calcium excretion.
  8. Which of the following is a feature of calcium in the body?
    Higher calcium intakes correlate with lower body fatness.
  9. Almost all (99%) of the calcium in the body is used to
    provide rigidity for the bones and teeth.
  10. Which of the following shows the highest bioavailability for calcium?
    Broccoli
  11. Which of the following is a feature of phosphorus in nutrition?
    Dietary deficiencies are virtually unknown.
  12. Which of the following is a major function of magnesium?
    Catalyst in energy metabolism
  13. What is the major source of dietary sulfur?
    Protein
  14. Which of the following is a major function of chloride?
    Helps maintain gastric acidity
  15. Which of the following is the primary function of potassium?
    Acts as principal intracellular electrolyte
  16. What is the oxygen carrying protein of muscle cells?
    Myoglobin
  17. What factors are known to enhance the absorption of iron
    sugars.

    stomach acid.

    ascorbic acid.
  18. Which of the following is a common side effect from taking iron supplements?
    Constipation
  19. What is the major cause of iron deficiency?
    Poor Nutrition
  20. Which of the following individuals would most likely need an iron supplement?
    Pregnant female
  21. Which of the following would be the most appropriate food source of iodide for a person who lives inland?
    Iodized table salt
  22. Which of the following may result from iodine deficiency?
    Goiter
  23. What is the most reliable source of dietary fluoride?
    Public drinking water
  24. A deficiency of this element retards growth and arrests sexual maturation
    Zinc
  25. A significant source of dietary fluoride
    Tea
  26. Iron-containing protein in erythrocytes
    Hemoglobin
  27. The least prevalent major mineral in the body
    Magnesium
  28. The most prevalent major mineral in the body
    Calcium
  29. Substance in tea or coffee that reduces iron absorption
    Tannic acid

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