Flashcards in Nutrients in Bone Health Part 1 Deck (65)
What is the thick, fibrous vascular membrane that covers bone surface?
What bone is the strong, dense outer layer of bone that provides structure and support?
What bone is strong but not so rigid due to lattice structure?
What percentage of the adult bone is the cortical bone?
What percentage of the adult bone is the trabecular bone?
What is a spongy tissue that contains stem cells?
What are cells that can produce bone, cartilage and fat called?
What is a dynamic tissue?
What is the continuous process of bone degradation and synthesis?
What are the 3 bone cell types?
Which bone cell type builds bones?
Which bone cell type breakdown bones?
Which bone cell type is a mature bone cell housed in bone matrix?
What are the 3 lifestyle factors that improve bone health?
1. Weight-bearing physical activity
2. Adequate intake of vitamins and minerals
3. Adequate UV exposure
Why are weight-bearing activities important for bone health?
It increases bone density
What are the 4 lifestyle factors that hurt bone health?
1. Smoking and alcohol consumption
2. Certain medications
3. Excessive phosphorus intake
4. Excessive grain intake
What lifestyle factors increase the need for vitamin D?
Smoking and alcohol consumption
What 2 lifestyle factors increase magnesium excretion?
1. Alcohol consumption
2. Cancer and diuretic medications
How do thyroid hormone, cortisol and diuretics medications effect calcium levels?
They increase calcium excretion
What 2 lifestyle factors inhabit calcium absorption?
1. Excessive phosphorus intake
2. Excess grain intake
How does excessive grain and phosphorus intake effect calcium levels?
They inhabits calcium absorption
What 3 major minerals are important in bone health?
Calcium, magnesium and phosphorus
Where is 99% of calcium in the body found?
Bones and teeth
What percentage of calcium is found in the bones and teeth?
What regulates blood calcium levels?
What 6 factors decrease calcium absorption from food in the gut?
1. Phytic acids and fiber (grains)
2. Plants like spinach
3. Excess Phosphorus, Magnesium and Sodium
4. Tannins in tea and legumes
5. Vitamin D deficiency
What 4 factors increase calcium absorption from food in the gut?
Low Calcium status, vitamin D, pregnancy and lactation, and lactose in the diet
Bone growth, development, and maintenance require adequate intake of what?
What are oxalates?
Plants like spinach