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A concise overview of essential vitamins, detailing their functions, dietary sources, and the effects of deficiencies and excesses. It covers both water-soluble and fat-soluble vitamins, offering a quick reference guide for understanding their roles in human health. Key topics include the functions of vitamins such as thiamin, riboflavin, niacin, biotin, pantothenic acid, vitamin b6, folate, vitamin b12, vitamin c, vitamin a, vitamin d, vitamin e, and vitamin k, along with their respective deficiency and toxicity symptoms. This information is useful for students studying nutrition, biology, or health sciences, providing a structured approach to learning about vitamins and their impact on the body.
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What vitamins are water-soluble? - correct answer Vitamins B and C What are good sources of thiamin (B1)? - correct answer Pork, whole and enriched grains, seeds, nuts, legumes What is the major function of thiamin? - correct answer Coenzyme in glucose and energy metabolisms; needed for neurotransmitter synthesis and normal nerve function. What is a deficiency of thiamin called? - correct answer Beriberi What are symptoms of Beriberi? - correct answer Beriberi is thiamin deficiency that causes weakness, apathy, nerve tingling, poor coordination, heart changes and paralysis. Is there any toxicity reported with thiamine? - correct answer Nope Where is riboflavin (B2) found? - correct answer Dairy products, whole and enriched grains, dark green vegetables, meats What is the function of riboflavin? - correct answer Coenzyme in energy and lipid metabolism. What happens with a deficiency in riboflavin? - correct answer Inflammation of the mouth and tongue, cracks in the corner of the mouth Is there any toxicity with riboflavin (B2)? - correct answer None reported What is niacin (B3) found in? - correct answer Beef, chicken, fish, peanuts, legumes, whole and enriched grains
What is the function of niacin? - correct answer Coenzyme in energy metabolism and lipid synthesis and breakdown What does a deficiency in niacin cause? - correct answer pellagra What is pellagra? - correct answer Is is a niacin deficiency that causes diarrhea, dermatitis, dementia What does too much niacin cause? - correct answer Flushing, nausea, rash, tingling extremities Where is biotin found? - correct answer Liver, egg yolks, synthesized in the gut What does biotin do? - correct answer It is a coenzyme in glucose synthesis and energy and fatty acid metabolism. What happens with a deficiency of biotin? - correct answer Dermatitis, nausea, depression, hallucinations What happens when you consume too much biotin> - correct answer nothing Where is pantothenic acid found? - correct answer Meat, legumes, whole grains, widespread in foods What does pantothenic acid do? - correct answer Coenzyme in energy metabolism and lipid synthesis and breakdown. What does a deficiency in pantothenic acid do? - correct answer It causes fatigue and a rash Where is vitamin B6 acid found? - correct answer Meat, fish, poultry, legumes, whole grains, nuts, and seeds
What does a deficiency in vitamin C cause? - correct answer Scurvy What is scurvy? - correct answer Vitamin C deficiency that causes poor wound healing, bleeding gums, loose teeth, bone fragility, joint pain Where is vitamin A found? - correct answer liver, fish, milk, butter, eggs, carrots, leafy greens, sweet potatoes What does vitamin A do? - correct answer Gene expression, vision, health of cornea, cell differentiation, reproduction. What does a deficiency in vitamin A cause? - correct answer Xeropthalmia, night blindness, dry cornea, eye infections, poor growth What does an excess of vitamin A cause? - correct answer headache, vomiting, hair loss, liver damage, skin changes Where is vitamin D found? - correct answer Egg yolks, liver, fish oils, tuna, salmon, milk Vitamin D is important for? - correct answer gene expression, absorption of calcium and phosphorus, maintenance of bone What does a deficiency in vitamin D cause? - correct answer Rickets in children and osteromalacia in adults What is rickets? - correct answer Vitamin D deficiency that causes bowed legs and soft bones What is osteroporosis? - correct answer vitamin D deficiency with bone pain What does an excess of vitamin D cause? - correct answer Calcium deposits in soft tissue, growth retardation
Where is vitamin E found? - correct answer Vegetable oils, leafy greens, seeds, nuts, peanuts What does vitamin E do? - correct answer It is an antioxidant that protects cell membranes What does a deficiency in vitamin E do? - correct answer Broken red blood cells and nerve damage What does an excess of vitamin E cause? - correct answer Inhibition of vitamin K activity Where is vitamin K found? - correct answer Vegetable oils, leafy greens What are the major functions of vitamin K? - correct answer Synthesis of blood- clotting proteins and proteins needed for bone health and cell growth What does a deficiency in vitamin K cause? - correct answer Hemorrhage What does an excess of vitamin K cause? - correct answer Anemia, brain damage