Nutrition Chapter 9 – Flashcards
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Around what age does bone resorption generally begin to occur more rapidly than bone formation?
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40
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Which of the following does NOT increase the risk of developing osteoporosis?
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moderate alcohol consumption⊆
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In addition to proper growth and development, bone remodeling is critical in maintaining
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blood calcium levels.
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Which of the following organs is NOT involved in the synthesis of vitamin D?
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heart
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The spongy bone that is found within the ends of long bones is called
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trabecular.
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Which of the following foods is high in phosphorus?
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meat
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Which of the following foods are good sources of magnesium?
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green leafy vegetables
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Fluorosis is associated with
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consuming too much fluoride.
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The average person will absorb no more than how many mg of calcium at one time?
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500
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Dowager's hump is one characteristic of
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osteoporosis
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Which of the following is FALSE concerning calcium?
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99% of calcium is found in the blood in soft tissue
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The point in life at which our bones are the densest is called what?
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peak bone density
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Newborn infants receive a single injection of vitamin K at birth because
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newborns do not have enough bacteria in their small intestine to make vitamin K
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Which of the following provides more than twice the recommended Adequate Intake (AI) of vitamin K?
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1/2 cup of boiled turnip greens
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When blood calcium levels fall, which of the following does NOT occur?
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PTH in vitamin D estimulate ostioblast to break down bones
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Vitamin K's primary role in the body is
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blood clotting.
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Bone cells that are responsible for bone resorption are called
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osteoclasts.
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Which of the following refers to the two-step process in which bone tissue is recycled?
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bone remodeling
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Which of the following does NOT describe a role that calcitonin plays when blood calcium levels are elevated?
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Calcitonin stimulates the action of vitamin D.
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Which of the following is our primary dietary source of vitamin D?
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milk
