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Final - Multiple Choice - Flashcards

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Class:KINE 350 - Science of Nutrition
Subject:Kinesiology & Hlth Sciences
University:William and Mary
Term:Fall 2009
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Who is best equipped to conduct assessments of nutritional status? a registered dietician
True or False: A hypothesis must be a type of value judgement. False
What is the chemical composition of fats? fatty acids and glycerol
Projections on the inner surface of the small intestine villi
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The RDAs of nutrients are generally designed for what group of people? almost all healthy people
What is the composition of maltose? Two units of glucose
Approx. how many Carbons are in a medium-chain fatty acid? 6-10
Which of the following compounds is missing 4 or more Hydrogen atoms? Polyunsaturated fatty acid
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According to most dietary guidelines, what percent (%) of the day's total energy intake should be furnished by fats? less than 30%
Gram for gram, which of the following provides the most energy? (Fats, alcohol, protein, carbs) Fats
The name given to partially digested food in the stomach chyme
What component of bile juice is responsible for fat emulsification? bile salts
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What reaction links 2 monosaccharides together? condensation
WHat reaction takes 2 monosaccharides apart? hydrolysis
Salivary and pancreatic amylase digest: maltose
What type of reaction is glucose + glucose? condensation reaction
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Foods with a low glycemic index cause what type of raise in blood glucose levels? slow raise
What begins digestion? salivary amylase
How does stomach acid halt the digestion of starch? inactivated salivary enzymes
We can convert any energy from carbs, proteins, or excess fats coming into the body into: triglycerides
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What type of glycogen CANNOT be transfered into the bloodstream? muscle glycogen
What type of glycogen CAN be transfered into the bloodstream? liver glycogen
What is the daily recommended amount of dietary fiber? 25-30 grams/day
What are two types of foods we can eat to slow glucose absorption? foods high in fiber and foods with a high glycemic index
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What are the 3 segments of the small intestine? duodenum jejunum ileum
Which vitamin helps clot blood to prevent from hemophilia? vitamin K
How long does it typically take for food to move completely through the digestive system? 24-72 hours
What initiates saliva production? chewing and swallowing
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What causes blood pH to change? increase and decrease of oxygen intake Note: there is a narrow pH range for blood at which a person can live (7 is ideal)
For LOW energy activities, we rely on: mitochondria ATP
For HIGH energy activities, we rely on: glucose (through glycolysis - carbohydrates)
Lean muscle tissue is approximately ____x more metabolically active at total rest than fat. 5x
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Where is 90% of all cholesterol in the body housed? cell membranes
What are the components of sucrase? glucose and fructose
What are the components of lactase? glucose and galactose
What are the components of glucose? carbon and water
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What are the components of sucrose? glucose and fructose
What are the components of lactose? glucose and galactose
What are the components of maltose? 2 units of glucose
How many kcal of simple sugars are in a bloodstream with a normal glycemic index? 80 kcal
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WHat type of reaction is required to bind two molecules of glycine together and release one molecule of water? condensation
How many known vitamins are there? 13
Which of the following substances is a common product of anaerobic metabolism? lactic acid
Which of the following conditions is known to lead to formation of mineral deposits in the blood vessels and kidneys? excessive intake of vitamin D
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What is the AI level for vitamin D in individuals 20 years of age? 5 ug
What vitamin is routinely given as a single dose to newborns? vitamin K
Which of the following is a feature to water? generated from oxidation of energy nutrients
The average daily loss of water in an inactive individual via the kidneys, lungs, feces, and skin approximates: 1.5 to 2.5 liters
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What is the single greatest source of sodium in the diet? processed foods
Calcium absorption is facilitated by the presence of: lactose
Almost all (99%) of the calcium in the body is used to: provide rigidity for the bones and teeth
Which of the following would be the most appropriate food source of iodide for a person who lives inland? iodized table salt
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What iron-containing compound carries oxygen in the bloodstream? hemoglobin
Absorption of iron from supplements is improved by taking them with: meat
What is a precursor? A substance that is used to synthesize another compound
Which of the following is NOT a general characteristic of the fat-soluble vitamins? excesses are eliminated from the kidneys
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Cooking food in liberal amounts of water is LEAST likely to affect the vitamin content of: vitamin A
What vitamin forms part of coenzyme A for synthesis of acetyl CoA? pantothenic acid
Among the water-soluble vitamins, a secondary deficiency would most likely be seen for: vitamin B12
All of the following are forms of vitamin A except: retinol, retinal, retinoic acid, retinoquinone retinoquinone
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Which of the following is a property of the fat-soluble vitamins? deficiency symptoms may take years to develop on a poor diet
Which of the following substances can be converted to vitamin A in the body? Beta-carotene
WHat fraction of lean tissue is represented by its water content? 3/4
Where is interstitial water found? between cells
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A muscle taht increases in size in response to use is an example of: hypertrophy
Hyponatremia refers to low blood levels of: sodium
In the endurance athlete, the first priority of nutrient repletion should be: glycogen
In order to achieve maximum health risk reduction, a person shoudl participate in moderately intense exercise at a frequency of 60 minutes/day
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During physical performance, what is the role of phosphate? transfer of energy to resynthesize cytoplasmic ATP
What is VO2 max? An individual's maximum rate of oxygen consumption
Which of the following promotes superior physical performance in athletes? high-carbohydrate diet
All of the following are valid reasons for consuming sport drinks by most physically active people EXCEPT: they contain a source of fuel which may enhance performance in endurance events
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Which of the following is an example of an unscientific research method? All of the above a)tenacity b)intuition c)authority d)rationalism e) all of the above
True or False: A hypothesis must be a type of value judgement. False
The name of the projections on the inner surface of the small intestine. villi
Who is best equipped to conduct assessments of nutritional status? A registered dietician
Generated by Koofers.com
The RDAs for nutrients are generally: designed to be adequate for almost all healthy people
What is the composition of maltose? two glucose units
According to most dietary guidelines, what percentage of the day's total energy intake should be furnished by fats? less than 30
Gram for gram, which of the following provides the most energy? (fats, alcohol, proteins, carbohydrates) fats
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The name given to partially digested food in the stomach: chyme
The website address of the American Dietetic Association: www.eatright.org
This component of bile juice is responsible for fat emulsification. bile salts
Non-digestible (by humans) carbohydrates. dietary fiber
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WHat is the reaction that links two monosaccharides together? condensation
In the metabolism of protein, what is the fat of nitrogen? excreted in urine
The end product of glycolysis is: pyruvate
How many different amino acids make up human proteins? 20
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All of the following compounds may be synthesized from cholesterol EXCEPT: (bile, glucose, vitamin D, sex horm.) glucose
What is the structure of an enzyme? protein
Proteins, because they attract hydrogen ions, can act as: buffers
If a 60 kg woman expends 75 kcal in her daily physical activities, approx. how many kcal are needed to maintain energy equilibri 2277
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An index of a person's weight in relation to height is called: body mass index weight (kg) / height (m)^2
What is the best approach to excess fat weight loss? reduce daily energy intake and increase energy expenditure
Which of the following is a factor determining the hardness of a fat at a given temperature? degree of saturation
The amount of ethanol in a typical "drink" is: 0.5 ounces
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The Wernicke-Korsakoff Syndrome in people with chronic alcohol abuse stems primarily from a deficiency of: thiamin
What is the major energy carrier in most cells? ATP
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 Who is best equipped to conduct assessments of nutritional status?a registered dietician
 True or False: A hypothesis must be a type of value judgement.False
 What is the chemical composition of fats?fatty acids and glycerol
 Projections on the inner surface of the small intestinevilli
 The RDAs of nutrients are generally designed for what group of people?almost all healthy people
 What is the composition of maltose?Two units of glucose
 Approx. how many Carbons are in a medium-chain fatty acid?6-10
 Which of the following compounds is missing 4 or more Hydrogen atoms?Polyunsaturated fatty acid
 According to most dietary guidelines, what percent (%) of the day's total energy intake should be furnished by fats?less than 30%
 Gram for gram, which of the following provides the most energy? (Fats, alcohol, protein, carbs)Fats
 The name given to partially digested food in the stomachchyme
 What component of bile juice is responsible for fat emulsification?bile salts
 What reaction links 2 monosaccharides together?condensation
 WHat reaction takes 2 monosaccharides apart?hydrolysis
 Salivary and pancreatic amylase digest:maltose
 What type of reaction is glucose + glucose?condensation reaction
 Foods with a low glycemic index cause what type of raise in blood glucose levels?slow raise
 What begins digestion?salivary amylase
 How does stomach acid halt the digestion of starch?inactivated salivary enzymes
 We can convert any energy from carbs, proteins, or excess fats coming into the body into:triglycerides
 What type of glycogen CANNOT be transfered into the bloodstream?muscle glycogen
 What type of glycogen CAN be transfered into the bloodstream?liver glycogen
 What is the daily recommended amount of dietary fiber?25-30 grams/day
 What are two types of foods we can eat to slow glucose absorption?foods high in fiber and foods with a high glycemic index
 What are the 3 segments of the small intestine?duodenum
jejunum
ileum
 Which vitamin helps clot blood to prevent from hemophilia?vitamin K
 How long does it typically take for food to move completely through the digestive system?24-72 hours
 What initiates saliva production?chewing and swallowing
 What causes blood pH to change?increase and decrease of oxygen intake

Note: there is a narrow pH range for blood at which a person can live (7 is ideal)
 For LOW energy activities, we rely on:mitochondria ATP
 For HIGH energy activities, we rely on:glucose (through glycolysis - carbohydrates)
 Lean muscle tissue is approximately ____x more metabolically active at total rest than fat.5x
 Where is 90% of all cholesterol in the body housed?cell membranes
 What are the components of sucrase?glucose and fructose
 What are the components of lactase?glucose and galactose
 What are the components of glucose?carbon and water
 What are the components of sucrose?glucose and fructose
 What are the components of lactose?glucose and galactose
 What are the components of maltose?2 units of glucose
 How many kcal of simple sugars are in a bloodstream with a normal glycemic index?80 kcal
 WHat type of reaction is required to bind two molecules of glycine together and release one molecule of water?condensation
 How many known vitamins are there?13
 Which of the following substances is a common product of anaerobic metabolism?lactic acid
 Which of the following conditions is known to lead to formation of mineral deposits in the blood vessels and kidneys?excessive intake of vitamin D
 What is the AI level for vitamin D in individuals 20 years of age?5 ug
 What vitamin is routinely given as a single dose to newborns?vitamin K
 Which of the following is a feature to water?generated from oxidation of energy nutrients
 The average daily loss of water in an inactive individual via the kidneys, lungs, feces, and skin approximates:1.5 to 2.5 liters
 What is the single greatest source of sodium in the diet?processed foods
 Calcium absorption is facilitated by the presence of:lactose
 Almost all (99%) of the calcium in the body is used to:provide rigidity for the bones and teeth
 Which of the following would be the most appropriate food source of iodide for a person who lives inland?iodized table salt
 What iron-containing compound carries oxygen in the bloodstream?hemoglobin
 Absorption of iron from supplements is improved by taking them with:meat
 What is a precursor?A substance that is used to synthesize another compound
 Which of the following is NOT a general characteristic of the fat-soluble vitamins?excesses are eliminated from the kidneys
 Cooking food in liberal amounts of water is LEAST likely to affect the vitamin content of:vitamin A
 What vitamin forms part of coenzyme A for synthesis of acetyl CoA?pantothenic acid
 Among the water-soluble vitamins, a secondary deficiency would most likely be seen for:vitamin B12
 All of the following are forms of vitamin A except: retinol, retinal, retinoic acid, retinoquinoneretinoquinone
 Which of the following is a property of the fat-soluble vitamins?deficiency symptoms may take years to develop on a poor diet
 Which of the following substances can be converted to vitamin A in the body?Beta-carotene
 WHat fraction of lean tissue is represented by its water content?3/4
 Where is interstitial water found?between cells
 A muscle taht increases in size in response to use is an example of:hypertrophy
 Hyponatremia refers to low blood levels of:sodium
 In the endurance athlete, the first priority of nutrient repletion should be:glycogen
 In order to achieve maximum health risk reduction, a person shoudl participate in moderately intense exercise at a frequency of 60 minutes/day
 During physical performance, what is the role of phosphate?transfer of energy to resynthesize cytoplasmic ATP
 What is VO2 max?An individual's maximum rate of oxygen consumption
 Which of the following promotes superior physical performance in athletes?high-carbohydrate diet
 All of the following are valid reasons for consuming sport drinks by most physically active people EXCEPT:they contain a source of fuel which may enhance performance in endurance events
 Which of the following is an example of an unscientific research method?All of the above

a)tenacity
b)intuition
c)authority
d)rationalism
e) all of the above
 True or False: A hypothesis must be a type of value judgement.False
 The name of the projections on the inner surface of the small intestine.villi
 Who is best equipped to conduct assessments of nutritional status?A registered dietician
 The RDAs for nutrients are generally:designed to be adequate for almost all healthy people
 What is the composition of maltose?two glucose units
 According to most dietary guidelines, what percentage of the day's total energy intake should be furnished by fats?less than 30
 Gram for gram, which of the following provides the most energy? (fats, alcohol, proteins, carbohydrates)fats
 The name given to partially digested food in the stomach:chyme
 The website address of the American Dietetic Association:www.eatright.org
 This component of bile juice is responsible for fat emulsification.bile salts
 Non-digestible (by humans) carbohydrates.dietary fiber
 WHat is the reaction that links two monosaccharides together?condensation
 In the metabolism of protein, what is the fat of nitrogen?excreted in urine
 The end product of glycolysis is:pyruvate
 How many different amino acids make up human proteins?20
 All of the following compounds may be synthesized from cholesterol EXCEPT: (bile, glucose, vitamin D, sex horm.)glucose
 What is the structure of an enzyme?protein
 Proteins, because they attract hydrogen ions, can act as:buffers
 If a 60 kg woman expends 75 kcal in her daily physical activities, approx. how many kcal are needed to maintain energy equilibri2277
 An index of a person's weight in relation to height is called:body mass index

weight (kg) / height (m)^2
 What is the best approach to excess fat weight loss?reduce daily energy intake and increase energy expenditure
 Which of the following is a factor determining the hardness of a fat at a given temperature?degree of saturation
 The amount of ethanol in a typical "drink" is:0.5 ounces
 The Wernicke-Korsakoff Syndrome in people with chronic alcohol abuse stems primarily from a deficiency of:thiamin
 What is the major energy carrier in most cells?ATP
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