2006_EXAM_2_with_key

2006_EXAM_2_with_key - ANS 313 Exam 2. Name: _ Lab group...

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ANS 313 Exam 2. Name: _______________________________ Lab group code: ______ Write neatly and spell correctly. 100 points. (2 pts per question) True/False. 1. T F Metabolic energy must be expended to absorb glucose; this contributes to fecal energy losses. 2. T F A dog can live quite healthy and well for a long time eating a carbohydrate-free diet as long as it is fed plenty of protein. This is because the cells of a dog prefer to oxidize amino acids instead of glucose. 3. T F A nonlactating cow likely will synthesize more glucose per day than a lactating cow fed the same type of diet. 4. T F The Heat Increment of Feeding is the inevitable result of the first and second laws of thermodynamics. 5. T F The Heat Increment of Feeding is generally greater for carbohydrates than for fats as a % of total ME intake 6. T F One reason animals usually handle cold weather better than hot weather is that they tend to eat more when it gets cold but eat less when it gets hot. 7. T F Carnivores fed high protein diets typically have a higher rate of gluconeogenesis than a pig fed a high starch diet if they are of equal size and activity level. 8. T F Digestible Energy – Metabolizable Energy = Urinary Energy + Gas Energy Multiple choice. Choose one best answer per question. 9. ____ As a bird eats more and grows faster, it converts a greater fraction of its feed energy to body tissue. This phenomenon is commonly referred to as the: a. prediction of net energy b. depression of digestibility c. dilution of maintenance d. 2 nd law of thermodynamics 10. ____ Some of the activities which would be activated during the peak of nutrient absorption after a high protein, high fat, low carbohydrate meal in a bird: a. gluconeogenesis and fatty acid synthesis b. proteolysis and fatty acid synthesis c. gluconeogenesis and glycogen synthesis d. glycogen synthesis and fatty acid synthesis 11. ____ Which of the following compounds is never used for net production of glucose? a. linoleic acid b. propionic acid c. lactic acid d. fructose e. methionine 12. ____ As feed intake and the rate of digesta flow increases, what happens to the DE value of a feed? a. drops to zero b. stays the same c. increases d. decreases 13. ____ What is the physiological fuel value of protein in kcal/g according to the Atwater system?
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2006_EXAM_2_with_key - ANS 313 Exam 2. Name: _ Lab group...

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