Mc Graw Hill Chapter 8 Connect Nutrition Last updated 04 October 2021 0 1687 The deficiency disease for vitamin C is called ____. scurvy True or False:It is unlikely that there are undiscovered vitamins. True Infants whose skins have developed an orange or yellowing hue most likely have eaten a lot of baby food containing -winter squash-carrots-green beans Vitamins A, D, E, and K are considered the ____ vitamins. fat-soluble The water-soluble vitamins include vitamin Cthe B vitamins The body is able to store which group of vitamins? Fat-soluble vitamins Match each vitamin with its function. Vitamin A = immune functionThiamin = Energy metabolismFolate = Blood formation Which of the following are considered roles of vitamins? -Regulates a variety of body processes-Involved in the growth and development of tissues Vitamins provide ____ kilocalories per gram zero When an atom gains one or more electrons, it has been: reduced What is the name of a substance that removes electrons from atoms or molecules? Oxidant Which of the following is true about radicals? -It is a substance with an unpaired electron-It removes electrons from more stable molecules-It is highly reactive Which of the following best describes how an antioxidant works? Gives up electrons and radicals What describes the degree of potency of a vitamin? Biological activity Vitamins A and D are often added to milk, and ready-to-eat cereals are often sprayed with additional vitamins. These are examples of fortification What is the primary site of vitamin absorption? Small intestine During infancy, adolescence, and pregnancy,, a person's vitamin needs: increase Adding a part of margarine to steamed carrots or tossing vegetables in salad dressing are two ways to improve the absorption of ___-soluble vitamins. fat Many Americans consume less than the recommended amounts of vitamins D, E, and choline. A molecule that has been reduced, has ___ one or more electrons. gained Who would be most at risk for developing vitamin deficiencies? -alcoholics-elderly persons ____ is the most active form of vitamin A in the body Retinol The yellow-orange pigments in fruits and vegetables are called _____ . carotenoids Vitamin _ participates in the development of epithelial cells, the production of white blood cells, and bone growth. A An early sign of vitamin A deficiency is called night blindness Carrots, sweet potatoes, broccoli, and mangoes are all good sources of __________, a carotenoid that the body can convert to vitamin A. beta-carotene During a vitamin A deficiency, excess keratin can be formed in the -cornea-skin An agent that causes birth defects is called a teratogen Excess consumption of Vitamin A can damage the liver Which foods are good sources of vitamin D? - Herring- Milk- Salmon In the body, pantothenic acid is important for - energy metabolism- fatty acid production The adult form of rickets is called ___ . osteomalacia What is the name of the protein in RBCs that transports oxygen? Hemoglobin Rank in order the sequence of events in the digestion and absorption of Vitamin B12. 1. Hydrochloric acid separates B-12 from animal protein.2. The stomach secretes intrinsic factor3. B-12 binds to intrinsic factor (IF)4. The IF/B-12 complex enters the cells and the complex breaks apart.5. B-12 binds to a carrier molecule for transport in the blood. Which of the following is true about coenzymes? -Regulates a chemical reaction-Cofactor Niacin participates in which of the following? Energy metabolism Panthothenic acid is a component of coenzyme A. The deficiencies of B-12 and folate can result in ______ ______ . megaloblastic anemia What are some of the signs and symptoms of rickets? -Muscle pain-Soft bones-Misshapen bones What are some food sources of folate? -Asparagus-Liver-Leafy vegetables Cells require vitamin _ to make coenzymes that participate in a variety of cellular processes, including transfer of CH3 groups in the metabolism of folate. B-12 What are some food sources of riboflavin? -Spinach-Yogurt-Milk Abnormal eye movements, staggering gait, and distorted thought processes are alll signs of ______ syndrome. Wernicke-Korsakoff What is a symptom of a riboflavin deficiency? Fatigue The condition that arises when one over consumes foods and/or supplements containing beta-carotene is called ___ . carotenemia Liver, legumes, broccoli, and orange juice are all good sources of: folate People who lack intrinsic factor and thus cannot absorb Vitamin B-12 develop the disease called ____ _____. pernicious anemia What vitamin deficiency will result in blood that does not clot effectively? Vitamin K Conditions that can result in a biotin deficiency include: - long term antibiotic therapy- surgical removal of the colon Rank the sequence of steps involved in the role of vitamin A in the visual cycle. 1. In the dark, retinal binds to opsin to form rhodopsin2. Light activates rhodopsin, causing it to change shape3. Activated rhodopsin stimulates rod cell changes that result in vision4. Retinal detaches from opsin Where does vitamin C absorption occur? Small intestine What roles does vitamin D play in the body? - Metabolism of calcium- Production of bones- Maintenance of bones Spina bifida and anencephaly are both ____ ____ defects that can occur wen a pregnant woman does not receive enough folate. neural tube Pork, wheat germ, and yeast are all good sources of which vitamin? Thiamin What are some signs of scurvy? -Loose teeth-Bruised skin-Swollen gums ______ is a water-soluble vitamin that is used to make a coenzyme that participates in chemical reactions involved in the release of energy from carbohydrates. Thiamin Share this post
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