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Nutrition
Nutrition Final
| Question | Answer |
|---|---|
| L1 - Are vitamins organic molecules or inorganic molecules? | |
| L1 -Vitamins are metabolized in the body like carbohydrates. TRUE or FALSE? Why? | |
| L1- Which vitamins are water soluble? | |
| L1 -What does the term “bioavailable” mean? | |
| L1 -What type of things may affect bioavailability of a vitamin? | |
| L1 -When water soluble vitamins are taken in doses higher than the RDA what happens to the excess? | |
| L1-What is the main function of B vitamins? | |
| L1-In the United States who might suffer from ariboflavinosis? | |
| L1- Which B vitamin is required for fatty acid synthesis? | |
| L1 -Which B vitamins lead to toxicity if taken in large doses? | |
| L1 - A deficiency of vitamin B6 results in poorly formed red blood cells that are inefficient carriers of oxygen. Why might this leave an individual feeling fatigued? | |
| L1-Which B vitamin is not associated with energy metabolism? | |
| L1- What does the neural tube develop into? | |
| L1 -Which B vitamin can only be made by bacteria and fungi? | |
| L1 -Why might vegans be susceptible to a deficiency of Vitamin B12? | |
| L1 -What is the function of B vitamins in energy metabolism? | |
| L1-Why is there little or no toxicity found with water soluble vitamins? | |
| L1- Why should women who are trying to become pregnant pay particular attention to their vitamin and mineral intake? | |
| L1 -Excluding supplements, how can an individual obtain their RDA for vitamin C in their diet? | |
| L1 -Fatty liver, fibrosis, cirrhosis – what are theses conditions and how do you avoid this type of tissue damage? | |
| L2-Which vitamins are fat soluble? | |
| L2- How does vitamin A support vision? | |
| L2 - Which retinoid cannot be converted to another form? | |
| L2- Plants produce __________ which have vitamin A activity. | |
| L2- Which cells in the eye are associated with night vision? | |
| L2 -How does lack of vitamin A cause “night blindness”? | |
| L2- Which vitamin can be made from cholesterol in adequate levels of sunshine? | |
| L2- What is the main function of vitamin D? | |
| L2 -If blood calcium levels are low then what steps can the body take to increase levels of calcium? | |
| L2 -What is hypercalcemia? | |
| L2 -Vitamin E functions as an antioxidant. What other vitamins have antioxidant properties? | |
| L2 -For blood clots to form, vitamin ___ and the mineral ___________ must both be present. | |
| L2- Which fat soluble vitamin is produced by intestinal bacteria? | |
| L2- Which fat soluble vitamin is mostly excreted from the body when in excess? | |
| L2- Without this vitamin you would literally bleed to death. | |
| L2- How does the main function of water-soluble vitamins compare to fatsoluble vitamins? | |
| L2- . How does the absorption of fat-soluble vitamins differ from watersoluble vitamins? | |
| L2- If you don’t consume any vitamin A for several months no deficiency is apparent. Why? | |
| L2- What are the main functions of Vitamins D, E & K? | |
| L2 -What is the relationship between free radicals and antioxidants? | |
| L3- Why can you survive a few weeks without food but only a few days without water? | |
| L3 - Where is most of the water in the body located? | |
| L3- What happens to a cell when it loses water? | |
| L3- What causes water to move into or out of a cell? | |
| L3- What is an electrolyte? | |
| L3- Which ions are associated with the absorption of water from the large intestine? | |
| L3- How is blood volume maintained? | |
| L3- List an example of a fluid that acts to create a net loss of water from the body? | |
| L3- What is metabolic water? | |
| L3- Other than urine production how is water lost from the body? | |
| L3- Which individuals in the population are most at risk of dehydration? | |
| L3- Are minerals organic molecules? | |
| L3- Where do the minerals in your food originally come from? | |
| L3- Which minerals help provide structural support for our bodies? | |
| L3- . What are the main functions of calcium? | |
| L3- Our bones are continually being remodeled. How is this achieved? | |
| L3- What happened to the bones (& muscles) of astronauts who spent a long time in a gravity free atmosphere? | |
| L3- Why do men develop osteoporosis later in life than women? | |
| L3- What is the difference in structure between healthy bone and bone from an individual with osteoporosis? | |
| L3- What is the main cation and anion in extracellular fluid? | |
| L3- What types of food contain most sodium? | |
| L3- What types of chronic disease are associated with hypertension? | |
| L3- . In what way can diet help reduce hypertension? | |
| L3- Which cation works with Na+ and Cl- to help maintain fluid balance in cells? | |
| L3- What is a cofactor and why is it necessary? | |
| L3- What is the main function of iron in the body? | |
| L3- How is iron transported to cells of the liver where it may be stored? | |
| L3- What dietary sources provide only heme iron? |
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