NUTRITIONA
Nutritional Sciences 10 - Fall 2003 - Mead - Midterm 2

Nutritional Sciences 10 - Fall 2003 - Mead - Midterm 2 -...

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Unformatted text preview: \t‘ Nutritional Sciences 10 Fall, 2003 Midterm Exam 11 Please read the instructions below carefully. Failure to adhere to the instructions may result in 0 points earned on the exam . 0 Print your name on the line provided on the scantron sheet. On the next line print your section number and the first name of your GSI. Turn the sheet “longways”. Fill in your complete fill) in the spaces provided. Mark the last two rows “00” if you would like your exam score to be posted by SID. Mark the last two rows “01” if you do not want'your exam score to be posted. Use only a #2 pencil on your scantron. , Calculators allowed for use on calculations only. Choose the Manswer for each question. If you do not understand the intent of a question, ask a proctor for clarification. 1. You have version (b) of the exam. Mark (b) as the answer for question #1. 2. Many consumers are not aware they are eating genetically modified (GM) foods because labeling of is not required. A GM fi'uits B GM vegetables C GM soybeans m of the above \_,. 3. Genetic modification of food crops to make them draught—tolerant could help prevent famine that develops in draught-prone areas of the world. @True B False .Low carbohydrate diets tend also to be low in i096 w‘TbZ/f «#0 am A Fat ~ , B Protein @ Fiber D All’of the above 5. As demonstrated in the Keys semistarvation study, people who experience long-term calorie restriction ultimately lose interest in food. A True make 6. The continuous supply of “revolutionary” new weight loss programs is testimony to the fact that '/A None of the programs produce successfill lasting weight loss e B The US consumer is desperate to achieve the ideal body type K C The US consumer finds it very difficult to consistently eat less and exercise more @ All of the above 7. Metabolic fitness is characterized by that are in a healthy range. /( Vitamin C and folate intakes ,B/lron and calcium intakes /C/Body weight and hip circumference lood pressure and cholesterol levels 8- Because these nutrients are found in WWW, vegans must choose wisely to assure adequate intakes of /A/'Beta carotene and vitamin C ' Iodide and fluoride . Calcium and vitamin B12 /D‘ Thiamin and niacin 9. Compared to abdominal obesity, lower body obesity (hips and legs) is a greater risk factor for development of diabetes and heart disease. A True 'False 10. Compared to men, the basal metabolic rate of women is typically because women hav ”less . Higher, body fat " B Lower, lean body mass fi/Higher, lean body mass D Lower, body fat 11. The most effective way to increase one’si total energy expenditure (TEEJ is to increase A BMR M" . B Thermic effect of food (TEF) Exercise and voluntary activity Shivering 12. Most B vitamins fimction as A. structural materials . co-enzymes . antibodies D. energy sources 13. In general, excess amounts of water-soluble vitamins are excreted by the Okidneys B. intestine- C. lungs. D. skin. 14. Which vitamin is subject to destruction by improper storage, cooking, light, and/or air exposure? A. folate l todeyelop a . @ecause they are so wide-spread in the US food supply, it is , v ‘ deficiency of thiamin, riboflavin, and niacin. ' ,yA True (Ba) False 7 16. The cells that are most sensitive to a deficiency of dietgy folate are cells that Afl)‘ v/vlazs 19%.,6fbfl 7 ahave a rapid turnover rate Ito repr‘ mam ~43, any éphave a slow turnover rate \ ' Earl ff -_, r \ E” are especially prone to oxidative damage \I r? B fb « G C Dflbllfl: /D/are typically not prone to oxidative damage 17. Individuals with severe scurvy die from internal bleeding because the in the blood vessel walls is so weak the vessels rupture. ' A plaque B muscle sheath @ouagen~ D cellulose {IQ Destruction of the myelin sheath that covers and insulates nerve fibers is a result of deficiency. A thiamin 7 - high-meat diets mcrease zinc requirements a c is more bioavailable fi‘om meat-based diets zinc is more bioavailable fi‘om plant-based diets D the iron and zinc in meat compete for absorption sites *1 L 20. Incidence of is decreased in communities with fluoridated water. A cretinism \ anemia dental cavities D mottling of teeth 21. Fortification grain products with ‘ is a public health measure taken to prevent neural tube defects in newborns. A A Vitamin D 22. In which of the following are all three foods a good source of dietary calcium? A milk, legumes, apples B ham, yogurt, broccoli canned sardines, oranges, carrots , ' tofii, bok choy 23. In response to low blood calcium levels, parathyroid hormone and vitamin D levels rise which results in of calcium l X increased kidney excretion“ j" increased bone retention \fl‘ifiaéi’i we was; «L» ,le Wok. ,ficreased GI absorption . i1) Ok/W [av/2f 2? Aé7 All of the above. )9 One 1/1, t 3 HA, 4 ”f '9 Which group of people has the ability to maximize peak bone mass? A nagers middle-aged women C middle-aged men D Bone mass can be increased at any age. 25. The body’s calcium reserves are in the A liver B kidney . C skin @one 26. Which factor Womtion of dietary calcium? A vitamin D B estrogen ©xalates ”D phytochemicals 27. Along with adequate calcium intakes, contribute(s) to achieving peak bones mass and slowing age-related bone loss. A Alcohol Exercise Iron D Anabolic steroids 28. Dietary heme iron is supplied by A cast iron cooking Skillets ’13 green leafy vegetables ats iron supplements 29. The iron in breakfast cereal is better absorbed if is consumed at the same time. A milk B apple juice @range juice grape juice 30. The iron deficiency symptoms of fatigue and poor exercise tolerance are due to / A decreased oxygen delivery to body tissues 4—— /B/ decreased circulating myoglobin in the blood / , :C decreased circulating hemoglobin in the bloodazi @Both A and C V git/icy > 31. Vitamin B12 deficiency is often due to .. 1 p ,‘ excess HCl production in the stomach -5?oO mm}, acid 09- , a madequ intrinsic factor production in the stomach V ‘ 6 ,/C excess protease production by the pancreas Vac—kc (i Wequate lipase production by the pancreas 32. The rapid turnover of absorptive cells, lining the GI tract increases the likelihood of excess iron absorption. True alse 33. A dietary deficiency of development in humans. _ iron By iodide .7 A p .z fluoride __ V 34. Mottling of teeth is a symptom of A calcium fluoride C iron D iodide is associated with retarded growth and delayed sexual toxicity. 5. A severe deficiency of vitamin A will result in , Blindness B Early atherosclerosis C Insufi’icient blood clotting D Bone fiactures 36. The iodizing of salt is a public health measure aimed at preventing (A Pernicious anemia B Dental caries Goiter D Arthesclerosis 37. Which of the following provides the most beta carotene in an average serving? .. ”A: Whole milk 38. Vitamin D governs the metabolism of @Caicium D All of the above 39. Vitamin D is called the sunshine vitamin because A It is available in orange juice /B' It can be destroyed by sunlight C Exposure to sunlight converts a precursor to vitamin D All of the above 40. By donating an electron, an antioxidant protects cellular tiSsue by Mydrogenating the double bonds in cell membrane fatty acids ydrogenating LDL receptors, especially on fiver cells tabilizing highly reactive compounds called free radicals D Stabilizing highly reactive personalities call Berkeley radicals 41. _ Newborn babies receive an injection of vitamin A MD 42. Research studies have proven that Vitamin E supplementation protects blood vessels against atherosclerosis. to protect them against hemorrhage. 43. If a woman wishes to supplement her intake of vitamin A during pregnancy, beta carotene is the best choice because it is not teratogenic. True B False 44. By functioning 1n the synthesis of immune factors and m the maintenance of healthy epithelial tissue, helps protect the body against infection. «kc-o rvchQM Cokiux M 45. Calcification of sofi body tissues (for example the kidneys) is a symptom of vitamin K A deficiency B D deficiency ...
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