Nutrition - Vitamins
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | Liver, green leafy vegetables, yellow-orange vegetables, fruit & fortified foods
🗑
|
||||
| show | Intestinal Lumen; Retinyl esters
🗑
|
||||
| What substance from Vitamin A is released from the intestinal epithelial cells into the blood? | show 🗑
|
||||
| show | RBP-retinol
🗑
|
||||
| show | Retinol; Retinyl esters
🗑
|
||||
| show | Vision, reproduction, immune function, cell proliferation, cell signaling,
🗑
|
||||
| What form of Vitamin A is used for vision? | show 🗑
|
||||
| show | Retinol; mediates lymphocyte survival and proliferation
🗑
|
||||
| What are the symptoms for Vitamin A deficiency? | show 🗑
|
||||
| What are the diseases caused by Vitamin A deficiency? | show 🗑
|
||||
| show | Structural damage to the cornea and Bitot's spot
🗑
|
||||
| show | Teratogenic effects, liver disease, dryness, erythema (redness of skin), scaling/peeling of skin, hair loss, nail problems, headache, nausea, vomitting, overgrowth of periosteal bone, and increase in bone fractures
🗑
|
||||
| What are the significant sources of Vitamin D? | show 🗑
|
||||
| show | Liver
🗑
|
||||
| Liver converts Vitamin D to what structure? Where does this structure travel to? | show 🗑
|
||||
| show | -1,25(OH)2D
-Involved in calcium homeostasis, muscle and bone health, BP regulation, insulin production, prevention of heart disease and type 2 diabetes)
🗑
|
||||
| The prostate gland, breast, colon, lung, immune cells produce what form of Vitamin D? What does this form of Vitamin D do for the body? | show 🗑
|
||||
| show | Rickets; Disorganization & hypertrophy of chondrocytes at mineralization front
🗑
|
||||
| Deficiency of Vitamin D would lead to what disease in adults? Describe the disease. | show 🗑
|
||||
| Toxicity of Vitamin D | show 🗑
|
||||
| show | -absorption and transport is similar to that of cholesterol absorption/transport
-Absorption is initiated in the intestines where they are absorbed by the enteroscytes
-Vitamin E and corresponding triglycerides are then incorporated into chylormicrons
🗑
|
||||
| show | -The movement of Vitamin E throughout the lymphatic system is identical to that of cholesterol and fats. Once absorbed in the liver is incorporated into VLDLs or used to make water-soluble metabolites of vitamin E.
🗑
|
||||
| Describe the absorption of Vitamin E (part 3) | show 🗑
|
||||
| show | -protect membrane lipids and proteins from free radical damage
-The tocopherols donate an e- to the free radical thus removing the free radical and protecting lipids & proteins from being oxidized
🗑
|
||||
| Other Vitamin E non-free radical activities | show 🗑
|
||||
| show | Oil seeds, salad dressings, mayonnaise, margarines, oils (sunflower/safflower), nuts, and various spreads are the highest sources of Vitamin E in our diet
🗑
|
||||
| What has animal studies shown us about Vitamin E deficiency? | show 🗑
|
||||
| show | -Decreased life span of RBC's
-Deficiencies are rare, but often present in patients with lipoprotein deficiencies, lipid malabsorption syndromes, and fat malabsorption conditions
-Vitamin E is inadequately transferred across the placenta
🗑
|
||||
| What do epidemiology studies say about Vitamin D Deficiency? | show 🗑
|
||||
| Toxicity of Vitamin E | show 🗑
|
||||
| Significant Sources of Vitamin K from diet | show 🗑
|
||||
| show | -Similar to fat absorption
-transported in chylomicrons to the liver as a chylomicron remnant
-found circulating in HDLs, LDLs, & VLDLs
-phylloquinone is excreted primarily in the feces, but may be excreted in the urine
🗑
|
||||
| show | -Secondary deficiency
-normal "flora" bacteria (prod Vit K) is absent in newborns
-Vit K is typically low in breast milk
-Hypothrombinemia in newborns
-commercial infant formula is formulated w/ Vit K
-Mothers can increase vit K lvls in breast milk w
🗑
|
||||
| show | -In newborns
-Antibiotic consumption can induce vitamin K deficiency
-Patients undergoing long term total parenteral nutrition
-Malabsorption problems
🗑
|
||||
| show | -Plasma/serum phylloquinone concentrations not typically used
-Prothrombin time-an indirect test used to assess Vitamin K levels
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
jgrayson
Popular Biochemistry sets