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The majority of our body's fluoride is stored in


A) the liver.
B) adipose tissue.
C) the skeleton.
D) interstitial fluid.

E) All of the above
F) C) and D)

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Research has shown that long-term magnesium deficiency can lead to the development of osteoporosis.

A) True
B) False

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A vitamin D deficiency in childhood may result in which disease characterized by inadequate mineralization of the skeleton?


A) rickets
B) osteomalacia
C) osteoporosis
D) kyphosis

E) A) and D)
F) None of the above

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People who live in the northernmost parts of the United States and Canada cannot get adequate sun exposure to synthesize vitamin D between the months of October and February.

A) True
B) False

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Repeated sunburns are associated with an increased risk of developing vitamin D toxicity.

A) True
B) False

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The point in life at which our bones are the densest is called what?


A) pubertal bone density
B) menopausal bone density
C) late adulthood bone density
D) peak bone density

E) A) and B)
F) A) and C)

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In healthy adults, the majority of calcium consumed in the diet is absorbed.

A) True
B) False

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The hormone secreted by the thyroid gland when blood calcium levels are too high is


A) parathyroid.
B) calcitonin.
C) serotonin.
D) estrogen.

E) A) and C)
F) A) and B)

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Vitamin D could be important in preventing diabetes, cancer, multiple sclerosis and tuberculosis.

A) True
B) False

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Most of the body's phosphorus is stored in


A) the liver.
B) adipose tissue.
C) the skeleton.
D) the kidneys.

E) A) and B)
F) A) and C)

Correct Answer

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Bone modeling is the two-step process by which bone tissue is recycled.

A) True
B) False

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Compare and contrast the work of osteoclasts and osteoblasts in bone remodelling.

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Bone remodelling involves resorption and...

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In addition to dietary sources, vitamin K is produced in our


A) brain.
B) mouth.
C) stomach.
D) large intestine.

E) All of the above
F) C) and D)

Correct Answer

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Calcitonin is a hormone secreted by which gland?


A) adrenal
B) parathyroid
C) pituitary
D) thyroid

E) B) and C)
F) A) and B)

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Alexa is concerned that she is not consuming enough calcium. She does not drink any cow's milk, and the only dairy product she likes is yogurt. Discuss several ways that Alexa could increase her daily intake of calcium.

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There are many ways, other than drinking...

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Breast milk is a rich source of vitamin D.

A) True
B) False

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Discuss dietary factors that have been shown to effect bone health.

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Calcium and phosphorus are critical to f...

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Which of the following foods is high in phosphorus?


A) meat
B) spinach
C) oranges
D) table salt

E) A) and B)
F) A) and D)

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Babies in families from Middle Eastern cultures are usually covered when outdoors, to prevent them from being exposed to the sun. Explain how this practice may put these babies at risk of rickets?

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Skin pigmentation and level of exposure ...

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The majority of the calcium formed in our bodies is found in the blood and soft tissues.

A) True
B) False

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