MSU HNF 150 Exam 3 Questions And Answers Rated A+ New Update Assured Satisfaction

Water balance of the body - Answer--Dehydration -Water equilibrium -Water intoxication T/F: 60% of body weight is water weight - Answer-True Major functions of water in the body - Answer--Carries nutrients -Cleanses tissue an blood -Solvent -Chemical reactions -Lubricant around joints -Shock absorber -Body temperature How to dehydrate the body - Answer--Dont drink enough fluids -Diuretics (alcohol, caffeine) -Eat lots of salt and sugar Dehydration symptoms - Answer--Thirst -Dry mouth -Lack of energy -Rapid pulse -Low blood pressure -Sudden weight loss -Reduced urineWater Recommendations - Answer-Men (19-30y): 3.7 Liters Women (19-30y): 2.7 Liters What is not a sign of dehydration? - Answer-Increased urination Which part of the brain regulates water intake? - Answer-hypothalamus Sources of water output: - Answer-kidneys, skin, lungs, feces Hard water: - Answer-contains dissolved minerals like calcium and magnesium Soft water: - Answer-treated water with only sodium ion Example: rainwater Diuretic - Answer-compound, usually a medication, causing increased urinary water excretion Ions - Answer-electrically charged particles such as sodium or chloride What is usually the first sign of dehydration? - Answer-thirst Which type of water is more highly regulated? - Answer-tap water Trace Minerals - Answer-Iodine, Zinc, Fluoride, Iron, Selenium Iodine Function & Sources - Answer-Thyroid hormone and BMR -iodized salt, seafood, foods grown in iodine rich soil, breadIodine Deficiency - Answer-goiter, cretinism(severe stomach bulge and underdevelopment mentally and physically) Zinc Function & Sources - Answer-Works with proteins to help enzymes -yogurt, pork chops, meats, fish, enriched cereal Zinc Deficiency - Answer-HBP, growth retardation, dermatitis and poor wound healing Fluoride Function & Sources - Answer-Works with insulin to regulate/release energy from glucose. Helps form bones and teeth -fish, meat, seafood, water with fluoride Fluoride Deficiency - Answer-dental decay Iron Function & Sources - Answer-Oxygen carrying cells: hemoglobin ---> red blood cells--->myoglobin---- >muscle cells, helps enzymes use oxygen needed to make new cells Iron Deficiency - Answer-anemia, pica Selenium Function & Sources - Answer-assists enzymes that work with Vitamin E to prevent free radical formation -seafoods, organ meats, whole grains Selenium Deficiency - Answer-Predisposition to a form of heart disease characterized by fibrous cardiac tissue (uncommon). Major Minerals - Answer-Magnesium, Potassium, Calcium, SodiumMagnesium Function & Sources - Answer-Works with calcium to function the muscles, assists in enzymes function, energy metabolism -soy beans, spinach, soy milk, yogurt, beans, potatoes, vegetables, nuts