Lecture 10 Flashcards
What are vitamins?
Organic compounds that act as coenzymes and require small amounts for vital bodily functions
True or False: Vitamins can be synthesized by the body.
False:
Vitamins cannot be synthesized by the human body, making dietary intake essential
What are the fat-soluble vitamins?
Vitamins A, D, E, K.
Fat-Soluble vitamins are absorbed with dietary ____, and stored in ____ and ___ tissues.
Fats; Liver; Fat
What are the sources of Vitamin A?
Animal Products (ie retinol)
Colourful Fruits and Vegetable (ie beta-carotene)
What are the functions of Vitamin A?
-Vision Support
-Immune Function
-Skin Health
-Growth
-Cell Differentiation
What are the effects of Vitamin A deficiency?
-Night Blindness
-Dry Skin
-Weakened Immunity
What are the effects/signs of Toxicity with Vitamin A?
-Liver Damage
-Bone Pain
-Skin Changes (severe)
What are the sources of Vitamin D?
Sun exposure
-Fortified foods
-Fish
-Dairy
What are the functions of Vitamin D?
-Bone Health
-Calcium Absorption
-Immune Modulation
What are the effects of Vitamin D deficiency?
-Rickets in children
-Osteomalacia in adults
-muscle weakness
What are the effects/signs of Toxicity with Vitamin D?
-Hypercalcemia; results in kidney stones & vascular calcification
What are the sources of Vitamin E?
-Vegetable Oils
-Nuts
-Seeds
-Leafy Greens
What are the functions of Vitamin E?
-Antioxidant
-Cell Membrane Protection
- Immune Func. Support
What are the effects of Vitamin E deficiency?
-Nerve damage
-Muscle damage
-Vision problems
-Immune weakness