Chapter 10 Mastering Nutrition Questions Q Which of the following statements is TRUE regarding free radicals A Free radicals are formed as a by product of healthy metabolism Q Which of the following statements about antioxidants is TRUE A Antioxidants donate an electron thus reducing the free radical Q Which antioxidant enzyme system functions by removing hydrogen peroxide from the body by converting it into water and oxygen A catalase Q Which of the following diseases has been linked to free radical damage A cancer Q When an oxygen molecule becomes a free radical it is referred to as a n A reactive oxygen species ROS Q Glutathione peroxidase is a free radical formed from oxidative metabolism A False Q When our diet is deficient in vitamin A mucus production by epithelial cells increases A False Q Which form of vitamin A enables the eye to react to changes in light A retinal Q The retina is composed of rods and cones A True Q The pigment molecules responsible for night vision are called A rhodopsin Q When light energy hits the retina the retinal changes from a trans to a cis configuration A False Q From what source does our body obtain the majority of its antioxidants A from the diet Q Diseases that cause the malabsorption of fat can result in a deficiency of A Vitamin E Q Vitamin C assists in the formation of the structural protein called A collagen Q Absorption of which mineral is enhanced by vitamin C A Iron Chapter 11 Q The ultraviolet rays react with in the skin to begin the process of forming vitamin D A 7 dehydrocholesterol Q Once absorbed into the blood the cholecalciferol travels to the kidney for the final step in activation A False Q The active form of vitamin D also referred to as a hormone is called A calcitriol Q Bone cells that are responsible for eroding the bone surface during resorption are called A osteoclasts Q Which of the following hormones are released when blood calcium levels fall A parathyroid hormone Q Phytates and oxalates can inhibit the absorption of A calcium Q Who is at MOST risk for vitamin D deficiency A a middle aged woman living in Alaska Q Individuals who have diseases that result in the malabsorption of are at risk for a vitamin D deficiency A fat Q Insufficient vitamin D during childhood is associated with A rickets Q Newborn infants receive a single injection of vitamin K at birth due to the fact that A newborns do not have enough bacteria in their small intestine to make vitamin K Q Which of the following enhances the absorption and retention of dietary magnesium A protein Q In which phase of the life cycle is bone loss the greatest A menopause Chapter 12 Q The chemical structure of vitamin B12 contains cobalt A True Q Vitamin B12 s functions include A all of these prevention of macrocytic anemia the maintenance of healthy nervous tissue DNA synthesis Q Which of the following statements regarding the absorption of vitamin B12 is FALSE A R protein produced in the stomach carries vitamin B12 to the ileum for absorption Q Vitamin B12 is attached to a protein called transcobalamin II A True Q Iron absorption is enhanced by A Vitamin C Q The two storage forms of iron are ferritin and A hemosiderin Q Which of the following is the BEST source of heme iron A fish Q Folate deficiency during pregnancy is associated with A neural tube defects Q Which nutrient requires intrinsic factor for absorption A cyanocobalamin Q Without adequate vitamin K blood does not clot properly A True Chapter 5 Q Lipids enter the bloodstream directly after digestion A False Q Which enzyme digests lipids in the small intestine A pancreatic lipase Q What are micelles A clusters of bile salts that transport lipids across the cell membrane of the villi Q Which of the following substances is classified as a lipid A sterols Q Diets high in trans fatty acids are MOST associated with A Increased blood cholesterol levels Q Essential fatty acids EFAs are precursors needed to produce which type of biological compounds A eicosanoids Q Which of the following hormones is produced from cholesterol A estrogen Chapter 4 Q Which monosaccharide is the preferred source of energy for the brain A glucose Q A disaccharide is formed by the chemical bonding of A two monosaccharides Chapter 2 Q An adequate diet A provides enough energy nutrients and fiber to maintain health Q Dan Buettner author of The Blue Zones states that the communities with the longest living people have certain commonalities in their diets One of them is that they do not eat a lot of meat or fish What is another A They eat nuts regularly Q How often do Sardinians eat meat A once a week Q What is Cannonau A It is a Sardinian wine that has the highest levels of antioxidants compared to any other known wine Q Which of the following is the MOST nutrient dense food A fresh spinach Q MyPlate recommends A varying the proteins you eat to include beans nuts and seeds Q You have decided to eat more healthfully but usually go out once a week to eat with your friends What is one good strategy for eating out in a healthful way A sharing an entr e with a friend Q When determining the amounts of foods to eat from each group in the USDA food patterns you should keep in mind that A the recommended amounts will vary depending on age gender and activity level Q You are planning a meal that includes a hamburger on a bun cole slaw and French fries To improve the nutrient density the best choice would be A pork tenderloin broccoli brown rice and strawberries Q A food label ingredient list reads wheat flour vegetable shortening sugar salt and cornstarch What item would be found in the LOWEST quantity in the food A cornstarch Chapter 13 5 Q Which of the following BEST describes an episode of binge eating A eating a large amount of food in a short period of time Q In which of the following sports are male athletes at greater risk for developing bulimia nervosa A wrestling Q Female athletes who experience amenorrhea are at risk for developing osteoporosis A True Q The type of eating disorder characterized by episodes of binging and purging is A bulimia nervosa Q Impulsivity low self esteem attention seeking being extroverted and erratic behavior MOST describe personality traits of A bulimia nervosa Q Consuming a majority of energy between 8 00 pm and 6 00 am is characteristic of which eating disorder A night eating syndrome Chapter 4 5 Q Moderate alcohol consumption is BEST defined as A one drink per day for women and up to two drinks per day for
View Full Document
Unlocking...