Exam 2: NR228 / NR 228 (Latest Update 2024/2025) Nutrition, Health & Wellness: |Complete Guide with Questions and Verified Answers| 100% Correct -Chamberlain

Exam 2: NR228 / NR 228 (Latest Update 2024/2025) Nutrition, Health & Wellness: |Complete Guide with Questions and Verified Answers| 100% Correct -Chamberlain Q: Thiamine (B1) function Answer: Coezyme in energy metabolism. role in nerve function- ing related to muscle actions. Q: Thiamine (B1) sources Answer: lean pork, whole or enriched grains and flours, legumes, seeds, and nuts Refined flour and rice are thiamine enriched Q: Thiamine (B1) Deficiency Answer: Psychologic distrubances, headaches, fatigue, irri- tability Beriberi Ataxia and Tachycardia Wernicke-Korsakoff syndrome - a cerebral form (chronic alcoholism) Q: Riboflavin (B2)Function and sources Answer: Coenzyme in energy release milk is a major source, whole and enriched grains, meats, fish, poultry, eggs, broccoli, dark leafy greens, asparagus Q: Riboflavin (B2) deficiency Answer: Ariboflavinosis - Cheilosis (swollen lips; cracks in corner of mouth) Glossitis: Toungue inflamed swollen, purple, red color seborrheic (scalp) dermatitis Roboflaxin: Very sensitive, lost in cooking water. Q: Niacin (B3) Function Answer: coenzyme for many enzymes, especially energy metab- olism; critical for glycolysis and tricarboxylic acid (TCA) cycle Q: Niacin (B3) Sources Answer: protein-containing foods (meats, poultry, fish, legumes, enriched cereals, milk, coffee, tea) Q: Niacin (B3) deficiency Answer: pellagra: 3 Ds (Diarrhea, Dermatitis, Dementia) Risk Factor Alcoholism Q: Pyridoxine (B6) Function Answer: Acts as a coenzyme in metabolism of amino acids and proteins Necessary for hemoglobin synthesis Required for conversion of trytophan to niacin coenzyme for fatty acid and carbohydrate metabolism Q: Pyridoxine (B6) sources Answer: widespread in foods, especially whole grains and cereals, legumes, chicken, fish, pork, and eggs Q: Pyridoxine (B6) deficiency Answer: rare to occur alone; accompanies low intake of other B vitamins. Dermatitis, altered nerve function, weakness, poor growth, convulsions, and micro- cytic anemia Some drugs that affect the biovailability and metabolism: oral contraceptics, isoni- azid, penicillamine, cycloserine, and hydralazine. Q: Folate (B9) functions Answer: Coenzyme in one-carbon transfer during metabolism; Required for the synthesis of amino acids, deoxyribonucleic acid (DNA), ribonucleic acid (RNA); Consists of the heme portion of hemoglobin; Role in proper formation of fetal neural tubes, which affects brain and spinal cord development; helps prevent spina bifida and anencephaly Q: Folate (B9) Sources Answer: leafy green vegetables, legumes, some fruits, fortified cereal grains Q: Folate (B9) deficiency Answer: megaloblastic anemia, glossitis, diarrhea, irritability, absent mindedness, depression, anxiety Deficiency during pregnancy = increased risk for neural tube defects = increase from 400 to 600 during pregnancy) May mak the presence of pernicious anemia