MULTIPLE CHOICE 1.At one time in one’s life should one start : 1401677

1.At one time in one’s life should one start : 1401677.


1.At one time in one’s life should one start to make choices that will benefit one’s bones?

a.during infancy

b.during childhood

c.during adulthood

d.regardless of age

2.Approximately what percentage of bone are made up of inorganic matter in the form of                                           mineral crystals?

a.45 percent

b.55 percent

c.65 percent

d.75 percent

3.Which of the following terms describes a measure of bone strength?

a.bone mineral density

b.bone mineral structure

c.bone composition

d.bone system composition

4.Approximately what percentage of the body’s calcium is found in the blood?

a.1 percent

b.5 percent

c.15 percent

d.25 percent

5.Almost all (99 percent) of the calcium in the body is used for which of the following purposes? provide energy for cells provide rigidity for the bones and teeth regulate the transmission of nerve impulses maintain the blood level of calcium within very narrow limits

6.Which of the following describes a hydroxyapatite?

a.abnormal cellular structures seen in osteoporosis

b.the calcium-rich crystalline structure of teeth and bones

c.a calcium regulatory hormone secreted from the trabecular region of bone

d.a compound in plant foods that binds to calcium and phosphorus and inhibits absorption

7.Which of the following processes directly involves calcium?

a.pH regulation

b.maintenance of blood glucose

c.hydration of cells

d.maintenance of heart beat

8.Which of the following describes calmodulin?

a.a calcium-binding protein

b.a drug that treats osteoporosis

c.a calcium supplement with high bioavailability

d.a form of calcium used in fortifying soy products

9.Which of the following terms describes the process by which bones become stronger and more rigid?

a.bone density




10.Which of the following regulates the level of calcium in the blood?

a.calcium and magnesium

b.glucagon and epinephrine

c.phosphorus and calcitonin

d.parathyroid hormone and calcitonin



1.At one time in one’s life should one start : 1401677

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