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MineralsCh8
Nutrition HO-15 Chapter 8
| Question | Answer |
|---|---|
| functions of calcium aside from bone strength | nerve transmission, blood pressure, blood clotting, muscle contraction, secretion of hormones and enzymes |
| the reduction of bone is called | osteoporosis |
| the major consequence of osteoporosis is | fracture |
| bone mass starts to decline after age | 30 |
| what mineral is part of RNA, DNA, phospholipids | phosphorus |
| which mineral assists in more than 300 enzymatic reactions | magnesium |
| which mineral relaxes muscles | magnesium |
| most sodium in the American diet comes from | processed foods |
| what nutrient cushions, lubricates, cleanses and removes waste | water |
| what contributes to water intake | food, fluids and metabolism |
| water contributes to water output | urine, stool, breathing and sweat |
| main intracellular cation | potassium |
| increased amounts of this mineral reduce hypertension risk | potassium |
| this mineral is part of thyroxine | iodine |
| thyroxine regulates what? | metabolism |
| iodine deficiency is associated with what conditions | cretinism and goiter |
| two types of iron | heme and non-heme |
| absorption rate of heme iron | 23% |
| absorption rate of non-heme iron | 2-20% |
| enhancers of iron absorption | vitamin C and MFP |
| inhibitors of iron absorption | phytates, calcium, phosphorus, tannins |
| which mineral assists in wound healing, taste, behavior learning and immune function | zinc |
| which mineral works with Vitamin E as an antioxidant | selenium |
| selenium deficiency causes what condition | Keshan heart disease |
| fluoride toxicity is called | fluorosis |
| most abundant mineral in the body | calcium |
| most important nutrient | water |
| where calcium is stored | bone |
| the period with the greatest bone mineral density | peak bone mass |
| micronutrient which is part of hemoglobin | iron |
| micronutrient which is commonly over-consumed by Americans | sodium |
| mineral fortified in salt | iodine |