Nutrition Test 2

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lactose
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which of the following is not a monosaccharide
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two monosaccharides
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a disaccharide is formed by the chemical bonding of
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photosynthesis
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the process that plants use to make glucose from carbon dioxide and water in the presence of the sun’s heat and light is called
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glucose
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what is the major monosaccharide found in the body
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dextrose
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glucose is also known as
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monosaccharides and disaccharides
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the term “simple carbohydrates” refers to
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buttermilk
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which of the following is a major source of lactose
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fructose, glucose, galactose
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the monosaccharides important in nutrition are
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carbohydrate digestion is assisted by cooking; softens tough skins
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which of the following is true about carbohydrate digestion
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pancreatic amylase
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what enzyme is responsible for carbohydrate digestion in the small intestine
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mouth with salivary amylase
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carbohydrte digestion begins in the
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an enzyme that digests starch
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amylase is
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they pass into the colon and are fermented by bacteria
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what is the fate of disaccharides not digested in the small intestine
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active absorption
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glucose is absorbed via
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maltose is transported through the portal vein to the liver
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which of the following is not true of carbohydrate absorption
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lactase deficiency
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lactose intolerance is caused by
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gas, abdominal pain, and distention
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the major symptoms of lactose intolerance are
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to supply energy
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the main function of glucose is
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insulin
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which of the following hormones corrects a hyperglycemic state
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glucagon
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which of the following hormones is released to correct a hypoglycemic state
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muscle and fat cells to increase glucose uptake
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when insulin is released it causes
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epinephrine
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which of the following hormones is released during stressful times to increase blood glucose levels, making more energy available for use?
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brain
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for which of the following is glucose most critical as an energy source
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a highly branched polysaccharide
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glycogen is
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glucose
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starch is comprised of hundreds and perhaps thousands of which molecule
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a long straight glucose chain
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amylose is
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muscles and liver
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the major storage sites for glycogen are
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can lower blood cholesterol
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soluble fibers
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whole wheat bread
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which of the following is not a rich source of soluble fiber
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colon
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dietary fiber may play a key role in the prevention of which cancer
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kidney beans
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which of the following foods would have the most fiber
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increase fluid intake
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when eating a high fiber diet one should
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arises most commonly in adulthood
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which of the following is not a characteristic of type 1 diabetes mellitus
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the least common form of diabetes
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all of the following are characteristics of type 2 diabetes mellitus except
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no double bonds
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a saturated fatty acid contains
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lipid profile
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blood test results that reveal a person’s serum cholesterol and triglycerides are called a
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monounsaturated
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olive oil contains abundant amounts of which type of fatty acid
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triglycerides
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in which form are most dietary lipids found
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the body’s ability to store fat is limitless
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all of the following describe the behavior of fat cells except
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monounsaturated
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which of the following describes a fatty acid that has one double bond
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fatty acids and glycerol
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what is the composition of triglycerides
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best source of energy for the brain
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which of the following does not describe a function of fat
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solid at room temperature
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if a fat contains mostly saturated fatty acids it is likely to be
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change a liquid fat to a solid fat
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the main reason for hydrogenating fats is to
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when consumed they can raise serum LDL cholesterol
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which of the following is true about trans fatty acids found in hydrogenated fats
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eating packaged cookies and desserts made with vegetable shortening
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timothy wants to avoid eating hydrogenated fat. all of the following are appropriate except
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glycerol
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the three carbon structure to which fatty acids are attached in triglycerides is called
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are reformed into triglycerides
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after absorption, long-chain fatty acids and monoglycerides inside intestinal cells
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triglyceride
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the body energy that can be stored in almost unlimited amounts is
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store triglycerides
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the major function o adipose tissue is to
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triglycerides
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the body stores excess protien as
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a compound containing phosphorus replaces at least one fatty acid
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phospholipids differ from triglycerides in which of the following ways?
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it is an essential part of every cell
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which of the following is true about lecithin
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they do not dissolve in water
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sterols are similar to triglycerides in which of the following ways
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it is only found in animal products
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which of the following is true about cholesterol
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pancreatic lipase
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the major fat-digesting enzyme is
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lymphatic
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after the chylomicrons leave the intestinal cells, the ar transported via what system
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carbohydrate
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lipoproteins contain the following components except
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lipoprotein lipase
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once the chylomicrons arrive at their destination via the bloodstream, the triglycerides in the chylomicrons are broken down into glycerol and fatty acids by an enzyme associated with the blood vessel called
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high density lipoprotein
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which lipoprotien is responsible for picking up cholesterol from dying cells and other sources so it can be transported back to the liver for excretion
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trans-fatty acids
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hydrogenation produces what kinds of fat
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amino acid
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the basic building block of a protein is called an
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nitrogen
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the chemica element found in all amino acids but not found in either carbohydrates or fats is
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cannot be synthesized in sufficient quantity to meet body needs
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an essential amino acid
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converted to urea
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the nitrogen from amino acid breakdown is
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stomach and small intestine
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proteins are chemically digested in which areas of the body
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pepsin
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what enzyme is released by the stomach to digest protein
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pepsin works best in an alkaline environment
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which of the following is not true about pepsin
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protein synthesis will be limited
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if the diet is lacking an essential amino acid, what will be the course of action
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limiting amino acid
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if a food does not contain the necessary amounts of a certain amino acid to eet a body need, that amino acid is referred to as a
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stored as amino acids in the liver
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when protein consumption is in excess of body needs and energy neeeds are met the excess amino acids are metabolized and the energy in the molecule is
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20
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approximately how many different amino acids are used in the synthesis of body proteins
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amino acids
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if the carbohydrate content of the diet is insufficient to meet the body’s needs for glucose which of the following can be converted to glucose
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peptide bond
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the chemical bond joining amino acids is called a
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denaturation
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cooking an egg alters its appearance due to
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are consuming enough carbohydrates and fats to meet our kcalorie needs
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food protiens are used most efficiently when we
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to supply more than 40 percentof the kcalories in the diet
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all of the following are primary functions of protein except
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proteins
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antibodies are
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starvation
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one would likely to see positive protein balance in all of the following conditions except
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could be store in the liver
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all of the following describe the fate of excess protein execpt
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diseases that are troublesome but not life threatening
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all the following describe kwahiorkor and marasmus except
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protein
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kwashiorkor is usually associated with a deficiency of
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vegan
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a vegetarian who only eats plant foods is a

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