NUTRITION NDFS 100 BYU EXAM QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST UPDATE .

NUTRITION NDFS 100 BYU EXAM QUESTIONS AND CORRECT ANSWERS | GRADED A+ | LATEST UPDATE . Identify ways that nutrition affects health Ans: 4 leading causes of death are directly related to health: hear disease, cancer, strokes, diabetes Others related to health: dental and bone diseases Question: 6 major essential nutrients Ans: Carbohydrates protein fat vitamins minerals water Question: Carbohydrates role in body -4cal/g -energy-yielding nutrient -2 groups: simple & complex Simple: sugars Complex: starch & dietary fiber -energy used first to fuel muscles and brain -(45-65% of calories should come from carbohydrates -sources: grain products such as breads, cereals, pasta and rice as well as fruits and vegetables Question: essential nutrients Ans: nutrients body cannot make itself Question: What does SOLUBLE fiber (a carbohydrate) do? Ans: -fruits, legumes, nuts, seeds, brown rice, oats, barley, rice brans -lowers blood cholesterol and helps to control blood sugar levels while providing very little energy Question: What does INSOLUBLE fiber (a carbohydrate) do? Ans: -wheat & corn bran, whole grain breads and cereals, vegetables, fruit skins, nuts -don't provide any calories -helps alleviate digestive disorders like constipation or diverticulitis and may prevent colon cancer Question: Fat's role in the body Ans: -9 kcal/g -energy-yielding nutrient -includes mixture of saturated and unsaturated fats -Higher in saturated fat: animal-based foods- meats and milk products -higher in unsaturated fats: vegetable oils -Fat maintains skin and hair, cushions vital organs, provides insulation, and is necessary for the production and absorption of certain vitamins and hormones -no more than 30% calories as fat -no more than 10% calories as unsaturated fat Question: Vitamins role in body -REGULATE chemical reactions in the body 13 vitamins most vitamins cannot be made in body, so we must obtain them through the diet -not a source of energy -best consumed through a varied diet rather than as a supplement bc there is little chance of taking too high a dose Question: Minerals role in body Ans: -REGULATOR -assist in all body processes -components of foods that are involved in many body functions -ex: calcium & magnesium important for bone structure -ex: iron needed for red blood cells to transport oxygen -not a source of energy -best obtained through a varied diet rather than supplements Question: Proteins role in the body -4cal/g broken down into amino acids by the digestive system amino acids are then used for building and repairing muscles, red blood cells, hair and other tissues, and for making hormones -adequate protein intake is important for healthy immune system -Because protein is a source of calories it will be used for energy if not enough carbohydrate is available -sources: animal products-meat, fish, poultry, milk, cheese, eggs. vegetable sourceslegumes(beans, lentils, dried peas, nuts) and seeds Question: Water's role in body