Exam 15: Nutrients Involved in Bone Health

Which of the following nutrients is necessary for the absorption of calcium?

At which of the following stages of the life cycle is calcium absorption the most efficient?

Soft drink consumption is associated with poor bone health.Describe the proposed theories that explain this relationship.

Osteoblasts lay down new bone.

Which of the following is the animal form of vitamin K,produced by bacteria in the large intestine?

Using a sunscreen with SPF 8 or greater can inhibit the synthesis of vitamin D.

Which group of people do doctors generally advise get a dual energy X-ray absorptiometry (DXA)test?

Which of the following is a risk factor that increases one's chances of developing osteoporosis?

As adults age,their bone density declines.

The RDA for vitamin D is based on the assumption that an individual does not get enough sun.

In which phase of the life cycle is bone loss the greatest?

The tiny mineral crystals that cluster around collagen fibers in bone are called:

Collagen fibers are stronger than steel fibers of the same size.

Vitamin K serves as a(n)________ to various proteins involved in the coagulation of blood and in bone metabolism.

Which is the primary source of vitamin D in the American diet?

Which is the most abundant mineral in our body?

Which thyroid hormone is used to treat osteoporosis?

Which component of teeth increases their resistance to destruction by acids and bacteria?

Approximately 80% of Americans with osteoporosis are women.Why?

Dual energy X-ray absorptiometry is an accurate way to evaluate bone density.