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Nutrition Quiz 4 Part 1
Terms in this set (30)
Why do surgeons recommend that elderly men stop taking their vitamin E supplements before surgery?
Because it acts as a blood thinner, thus takes longer for the blood to clot.
Where is vitamin E commonly found in the diet?
Corn, Nuts, Olives, Green leafy vegetables, Oils
What are the fat soluble vitamins? How do they differ from the water soluble vitamins?
Vitamin A, D, E and K are fat soluble. They are absorbed less easily than water soluble.
Unlike water soluble, excess is stored not excreted.
What are the water soluble vitamins?
Water Soluble: Bs, C.
Carried to tissues for use rather than the liver for storage. Excess leaves the body.
Which class of vitamins can more easily build up to toxic levels?
Fat soluble vitamins (A, D, E, K) can become toxic because excess is stored rather than removed.
What is the main overall role of vitamins in the body?
Maintain overall health
Normal cell function
Growth and development.
What is deficiency in vitamin A most associated with?
Name one other noticeable part of your body that appears healthier when you consume adequate vitamin A
Night blindness. Deficiency also effects gene regulation and effects dryness and color of skin
Makes hair and skin look healthy
Name two fat soluble vitamins which can affect DNA transcription (and may therefore affect cancer, birth defects or autoimmune disease occurrence in offspring).
A & D
What factors are important in determining whether or not we will be able to make vitamin D from sun exposure?
• Advanced Age
• Air Pollution
• City Living
What is vitamin D synthesized from?
What two organs must be functioning properly in order for our bodies to make the active form of vitamin D3
The Liver and kidneys convert pre-vitamin D to its active form.
Name 3 main roles for vitamin D
Regulates blood calcium.
Acts as a hormone.
Controls gene transcription.
Can vitamin D potentially affect your risk of cancer? Why?
Yes, through overexposure to UV rays.
Vitamin D regulates ______________ mineral levels in the blood. For this reason, it is associated with keeping your___________ strong. What is the name of the deficiency disease that affects this part of the body in children who are growing, but are also deficient in vitamin D?
Where is vitamin D found in the diet?
Fish such as Salmon and Sardines
We discussed two important antioxidants in class.
Name one water soluble antioxidant and one fat soluble antioxidant.
Name a tissue in the body that the fat soluble vitamin protects from oxidative damage.
Vitamin C (water). Vitamin E (fat). Fat soluble protects fat soluble tissues.
What vitamin did I tell you was associated with Koagulation of the blood?
What type of food is high in this vitamin?
What is another non-dietary way we get this vitamin?
Green leafy stuff like spinach/cabbage.
Also through microbiota.
What vegetable is highest in vitamin C?
Chopped Raw Sweet Red Peppers
What is the maximum amount of vitamin C which can be absorbed at any one time?
B vitamins, as a class of vitamins, are vitally important for the production of _____ in all cells.
Energy, new cells
What deficiency disorders are associated with thiamin (B1)?
What is the most common reason for seeing these disorders in the US?
Often brought on by alcohol abuse.
Which vitamin is known for its bright yellow color?
Why is it important that milk be purchased in opaque containers, or at least be protected from the light?
The vitamin is destroyed by UV Light, Irradiation, Heat
What deficiency disease is associated with niacin (B3)
Pellagra- Characterized by dermatitis, diarrhea, and mental disturbance.
Which vitamin has been found to be important for preventing cancer and spina bifida in babies?
Which vitamin is important for the production of the myelin sheath (the covering on nerve fibers in the body)?
In what class of food is this vitamin found?
What is needed in the stomach for this vitamin to be adequately absorbed?
Found in Animal based foods. Sirloin, Liver, Tuna, Cottage Cheese.
For absorption it must combine with the Intrinsic Factor(IF), a protein produced in the stomach.
Which water soluble vitamin is associated with neurological problems when taken in high (supplemental) amounts?
Women who are taking birth control pills are at higher risk for vitamin B6 deficiency. What are some symptoms of vitamin B6 deficiency?
Anemia, depression, confusion, convulsions, greasy/scaly dermatitis
What are some reasons for NOT taking supplements?
Food rarely causes nutrient imbalances or toxicities
Toxicity risk and risk contamination
Are supplements monitored by the FDA?
Approximately what percent of the human body is made up of water? What roles does this water play?
60%. Vital for chemical processes & reactions
What part of the brain controls thirst?
The Hypothalamus part of the Brain.
This set is often in folders with...
Nutrition Quiz 2 Part 1
Nutrition Quiz Part 2
Nutrition Quiz 3 Part 1
Nutrition Quiz 3 Part 2
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