Chapter 12 MAJOR MINERALS

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Author:
lindseypb
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135925
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Chapter 12 MAJOR MINERALS
Updated:
2012-02-18 20:52:41
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minerals
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Nutritional Sciences
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  1. Calcitonin is released by the _________ during periods of ______ blood calcium
    Thyroid gland

    High
  2. Which of the major minerals is a component of cell membranes?
    phosphorous
  3. most of the fluid in the body is contained in the ______ space
    intracellular
  4. cystic fibrosis is a condition caused by the inability of cells to move_____ across cell membranes
    chloride
  5. Dehydration causes the release of _________ from the _________
    antidiuretic hormone

    pituatary gland
  6. How do oxalates and phytates hinder calcium absorbtion?
    by binding calcium in the intestine
  7. Increased levels of parathyroid hormone and vitamin D have what effect on bone?
    They cause bone to increase breakdown
  8. What effect does calcitonin have on bones?
    It causes bones to decrease calcium resorbtion
  9. What is the name of the cells within bones that facilitate the breakdown of old bone?
    osteoclasts
  10. Seeds and grains contain ______, which decreases the absorbtion of phosphorous and other minerals.
    phytates
  11. which major mineral is vital for energy metabolism because it helps stabilize high-energy compounds like ATP?
    magnesium
  12. The relese of the hormone aldosterone causes the kidneys to _______ more calcium.
    resorb
  13. One of the main regulators of blood volume is the concentration of _________ in the blood.
    Calcium
  14. Dietary restriction of salt decreases blood pressure in _____ people
    Some
  15. Water plays a key role in the body's cooling system because it has a ____ specific heat.
    high
  16. In adults calcium deficiency can cause _______ and _______.
    osteoporosis

    osteopenia
  17. Phosphorous is a component of phospholipids which make up cell membranes and ___________.
    Lipoproteins
  18. Regulation of blood levels of phosphorous occurs via the actions of PTH (parathyroid hormone) and Vitamin D (calcitrol) at the small intestine and ______.
    bone
  19. Magnesium is a ______ for hundreds of enzymes.
    Cofactor
  20. Potassium is found in egumes, potatoes, seafood and a variety of _____ and ________ as well as meats and dairy products.
    fruits, vegetables
  21. Potassium is an important________ in the body.
    Cation
  22. Potassium is needed for muscle function, especially in the _______ nerve impulses, and energy metabolism.
    heart <3
  23. Potassium defiency is rare but can result in ____ disturbances, weakness, and confusion.
    Cardiac
  24. Water crosses cell membranes via ______.
    osmosis
  25. Dehydration can influence _______ function, ability to engage in aerobic activity, temperature regulation, and risk of urinary tract infections.
    cognative
  26. At 30 years of age a person has the most bone mass they will ever have... this is called..
    peak bone mass
  27. Treatment options for osteoporosis include a variety of medications including... (_ _ _)
    Hormone replacement therapy HRT

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