NR 228 - Chapter 7 Vitamins Questions With Complete Solutions

Vitamins correct answer: organic molecules needed in very small amounts for cellular metabolism. performs specific metabolic functions (glycolysis, krebs cycle) Essential Nutrients to be provided by diet correct answer: Vitamin D, synthesized by body but still considered a vitamin Water Soluble Vitamins correct answer: vitamin C choline thiamin riboflavin niacin pyridoxine folate cobalamin biotin pantholencic acid minimal storage by body deficiencies develop quickly usually low risk of toxicity Fat Soluble Vitamins correct answer: Vitamins A,D,E, and K excess stored in the body deficiencies slower to develop greater risk of toxicity Vitamins are best consumed correct answer: from foods, rather than supplements Vitamins are present correct answer: in almost all foods Thiamin correct answer: (B1) coenzyme in energy metabolism. sources are lean pork, whole or enriched grains and flour, legumes, seeds, nuts Thiamin Deficiency correct answer: (beriberi) ataxia: muscle weakness/loss of coordination and tachycardia Thiamin Risk Factors correct answer: alcoholism renal dialysis parenteral nutrition HIV/AIDS persistent vomiting Vitamins and Minerals are a good source of correct answer: fruits and vegetables Vitamins and Minerals provide correct answer: antioxidants