Contemporary nutrition seventh edition by wardlaw and smith




















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McGraw-Hill has no control over and is not responsible for the content or accessibility of any linked website. After completing your transaction, you can access your course using the section url supplied by your instructor. Skip to main content x Sign In. Current research is at the core of the fifth edition, with revised statistics, incorporation of new results of clinical trials, and updated recommendations. The text provides students who lack a strong science background the ideal balance of reliable nutrition information and practical consumer-oriented knowledge.

Always looking to make the content relevant to learners, the authors highlight health conditions, medications, food products, and supplements students or members of their families may be using. Through the functional approach, Vitamins and minerals are covered based on their roles in the body. This format enables students to understand how these nutrients interact in food and in our bodies to support key functions that sustain our health.

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Books Video icon An illustration of two cells of a film strip. Amino acids travel to the liver via the portal vein. They are in a state of breakdown, rebuilding, and repair.

They are static and change little after achievement of adult status. Those in the bone marrow and intestine undergo the most change, in terms of breakdown and synthesis. Their breakdown products, especially amino acids, can be recycled.

He has had minimal protein intake for the last two years. He has just recently had surgery. What are the likely results of his deficient protein intake? His surgical wound will not heal quickly and effectively, but he will grow effectively. The size of his vital organs, including his heart, liver, and muscles, will decrease. His surgical wound will heal effectively and he will grow normally because he can live off fat stores. Her liver has been damaged to such a degree that it cannot produce the appropriate blood proteins for fluid balance.

She develops a condition called edema, which is A. Fatty acids will be converted to glucose. The pancreas will convert insulin to glucose. The liver will convert amino acids to glucose. The pancreas will convert protein to glucose. She is likely to be in a state of A. He has been seeing large temporary gains in muscle mass.

He is in a state of A. What would be his RDA for protein? Most do not consume enough protein. Most consume approximately the amount needed to balance losses. Athletes generally do not get enough protein without supplements. Most consume more than is needed.

Topic: Proteins When comparing plant sources of protein to animal sources, we could say A. Plant sources of protein predominate in the United States. We eat less animal sources of protein than people in Asia and Africa.

About 70 percent of the protein we eat in the United States comes from animal products. Chicken is our main animal source of protein. Eggs B. Dried beans C. Gelatin D. The reason is that A. Complementary proteins Amino acids that can be synthesized by a healthy body in sufficient amounts 5 2. Kwashiorkor Amino acids that cannot be synthesized by humans in sufficient amounts and therefore must be included in the diet 10 3.

Limiting amino acid Dietary proteins that contain ample amounts of all nine essential amino acids 9 4. Incomplete protein Dietary proteins that are low in or lack one or more essential amino acids 4 5. Nonessential amino acids The essential amino acid in lowest concentration in a food relative to body needs 3 6. Protein equilibrium A buildup of fluids in extracellular spaces 6 8.

Marasmus A physical state in which protein intake is equal to related protein losses 7 9. Complete protein A disease that results from consuming an insufficient amount of protein and energy 8 He is engaged in vigorous activity.

With each cycle, it is easier to gain weight and harder to lose. It represents about 30 percent of total energy expenditure. It is energy expenditure to maintain heartbeat, respiration, other basic functions, and daily activities. It represents about 60 percent to 70 percent of total calories used by a sedentary person during each day. It includes the energy used to digest food. An increase in body temperature B. A low calorie intake C. An increase in lean body mass D. She is 40 years old.

Carol has been walking briskly 60 minutes daily for the past 2 months. In her younger days she lifted weights, but she has lost considerable lean body mass over the years because of inactivity. Recently, Carol was diagnosed with hypothyroidism, which lowers metabolism. Her kilocalorie diet B. Her age C. Her loss of lean body mass D. What amount of kilocalories will be from basal metabolism? What would be his energy expenditure, in kilocalories, from the thermic effect of food?



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