Nutrition 101 Exam 2 Questions and Verified Answers | Latest 2023/2024 solutions

Nutrition 101 Exam 2 Questions and Verified Answers | Latest 2023/2024 solutions A(n) _______________ is the simplest form of lipid; it is a carbon chain, flanked by hydrogens, with an acid group at one end and a methyl group at the other end. - Fatty Acid Olive and canola oils contain a high percentage of ____________ fatty acids. - monounsaturated A(n) ______ fatty acid is an essential, polyunsaturated fatty acid that has a double bond at the third carbon from the methyl end. - omega-3 fatty acid _______________ are lipoproteins made of dietary fat surrounded by a shell of cholesterol, phospholipids, and protein that act to transport absorbed fat. - Chylomicron The process of _______________ removes double bonds from fatty acids, giving the fat a more solid consistency. - hydrogenation In the small intestine, the pancreas secretes ____________ to digest triglycerides. - lipase The American Heart Association recommends that we should consume no more than _______________ milligrams of cholesterol per day. - 300 A meal providing 1,200 kilocalories contains 13 grams of saturated fat, 10 grams of monounsaturated fat, and 27 grams of polyunsaturated fat. This meal provides ______% of total kcal as fat. - 13(9) = 117, 10(9)= = 90, 27(9) - 243, 243+90+117=450, 450/1200=37.5% Sometimes phospholipids are used in commercial salad dressings to suspend vegetable oil in water. In this case, phospholipids are serving as _______________. - emulsifiers What are characteristics of cholesterol? - -Lipid found in cell membrane of all tissues -Transported in the blood plasma A monounsaturated fatty acid contains _______________ - one double bond A saturated fatty acid contains ________________ - no double bonds What is the composition of the triglyceride form of fats? - glycerol and fatty acids The three-carbon structure to which fatty acids are attached in triglycerides is called _______________ - glycerol One fat replacer that has gained notoriety lately due to its undesirable side effects is _______________. - olestra What are good sources of polyunsaturated fatty acid? - -Soybean oil -Corn oil -Sunflower oil If a fat contains mostly saturated fatty acids, it is likely to be ________ at room temperature. - solid Olive oil contains abundant amounts of which type of fatty acid? - monounsaturated The main reason for hydrogenating fats is to __________________ - change a liquid fat to a solid fat The major fat-digesting enzyme is _________________ - pancreatic lipase After chylomicrons leave the intestinal cells, they are transported via what system? - lymphatic Pancreatic lipase digests _______________ - fats The main regulator of blood cholesterol levels is the _____________ - liver To be transported throughout the body, fats are packaged in structures called _________________ - lipoproteins