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1 |  |  Glucose is the preferred source of energy for which of the following? |
|  | A) | Brain cells |
|  | B) | Red blood cells |
|  | C) | Central nervous system |
|  | D) | All of the above |
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2 |  |  Which of the following is another name for glucose? |
|  | A) | dextrose. |
|  | B) | disaccharide. |
|  | C) | levulose. |
|  | D) | all of the above. |
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3 |  |  Polysaccharides are made of: |
|  | A) | one molecule of sugar. |
|  | B) | two monosaccharides linked together. |
|  | C) | four monosaccharides linked together. |
|  | D) | many monosaccharides linked together. |
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4 |  |  When sucrose is digested it yields: |
|  | A) | two maltose units. |
|  | B) | glucose and fructose. |
|  | C) | glucose and galactose. |
|  | D) | fructose and galactose. |
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5 |  |  The difference between alpha and beta bonds: |
|  | A) | Alpha bonds are found at the first part of a molecule and beta bonds are found at the end of that molecule. |
|  | B) | Alpha bonds are only found in fiber whereas beta bonds are only found in starch. |
|  | C) | Alpha bonds can be digested by human enzymes, beta bonds are not digested by human digestive enzymes. |
|  | D) | Alpha bonds are the bonds between glucose units and beta bonds are the bonds between glucose and some other molecule. |
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6 |  |  Of the two forms of starch amylopectin has the following characteristics: |
|  | A) | forms a very stable starch gel. |
|  | B) | is about 180 times sweeter than sucrose. |
|  | C) | is made up of 1000's of glucose units bonded in a very, long straight chain. |
|  | D) | has predominantly beta bonds between each carbon. |
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7 |  |  The best type of fiber to eat for reducing constipation is: |
|  | A) | glycogen. |
|  | B) | crude fiber. |
|  | C) | soluble fiber. |
|  | D) | insoluble fiber. |
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8 |  |  Undigested disaccharides |
|  | A) | can be absorbed by facilitated absorption. |
|  | B) | can result in constipation |
|  | C) | will cause diverticulitis |
|  | D) | will eventually be the reason for excessive gas production by bacteria in the large intestine. |
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9 |  |  Cellulose, hemicellulose, and lignin are fibers found in: |
|  | A) | ripe fruits. |
|  | B) | plant walls, skins, peels, and bran layers of grains. |
|  | C) | pectin. |
|  | D) | food additives such as guar gum. |
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10 |  |  The chief function of carbohydrates we eat is to: |
|  | A) | maintain body fat. |
|  | B) | provide energy. |
|  | C) | provide essential amino acids. |
|  | D) | transport vitamin A. |
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11 |  |  To metabolize fats adequately, the diet should contain at least how many grams of carbohydrates? |
|  | A) | 20 |
|  | B) | 130 |
|  | C) | 200 |
|  | D) | 300 |
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12 |  |  What compounds are formed by incomplete fat metabolism, which in turn can be due to inadequate consumption of carbohydrates? |
|  | A) | carbon skeletons |
|  | B) | glucose |
|  | C) | amines |
|  | D) | ketone bodies |
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13 |  |  A low-fiber diet may lead to |
|  | A) | diverticulae. |
|  | B) | poor hydration. |
|  | C) | inadequate calorie consumption. |
|  | D) | excess calorie consumption. |
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14 |  |  In calculating the fiber content of your diet, the best value to use is the ____ on the label. |
|  | A) | percentage of energy from carbohydrates |
|  | B) | total grams of carbohydrates |
|  | C) | dietary fiber value |
|  | D) | crude fiber value |
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15 |  |  Sucrose is not as sweet as: |
|  | A) | starch. |
|  | B) | maltose. |
|  | C) | galactose. |
|  | D) | fructose. |
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16 |  |  Aspartame: |
|  | A) | is stable at high temperatures. |
|  | B) | may cause cancer. |
|  | C) | provides about 4 kcal per gram. |
|  | D) | is a carbohydrate. |
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17 |  |  People with phenylketonuria (PKU) should not consume? |
|  | A) | Acesulfame-k |
|  | B) | sorbitol |
|  | C) | aspartame |
|  | D) | xylitol |
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18 |  |  It is recommended that the percent of your total calorie intake from carbohydrates should be about |
|  | A) | 10% |
|  | B) | 30% |
|  | C) | 60% |
|  | D) | 70% |
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19 |  |  A high-carbohydrate diet: |
|  | A) | is necessarily fattening. |
|  | B) | causes ketosis. |
|  | C) | is protein-sparing. |
|  | D) | forces glucose production from protein. |
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20 |  |  Sources of carbohydrates in the diet come from all of the following groups of foods except: |
|  | A) | milk and milk products. |
|  | B) | breads, cereals, and grain products. |
|  | C) | fruits and vegetables. |
|  | D) | meat, fish, and poultry. |
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21 |  |  Carbohydrate digestion and absorptions takes place primarily in the |
|  | A) | Mouth |
|  | B) | Esophagus |
|  | C) | Stomach |
|  | D) | Small intestine |
|  | E) | Large intestine |
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22 |  |  Yogurt is tolerated better than milk by lactase-deficient people because: |
|  | A) | yogurt has no lactose. |
|  | B) | lactase from bacteria in yogurt helps digest the lactose. |
|  | C) | it has a thicker consistency. |
|  | D) | the lactose is broken down during processing. |
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23 |  |  Excess sugar in the diet can cause |
|  | A) | weight gain. |
|  | B) | dental caries. |
|  | C) | inadequate intake of other nutrients. |
|  | D) | all of the above. |
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24 |  |  The form of diabetes that often begins in late childhood and is characterized by inability of the pancreas to make insulin is called: |
|  | A) | hypoglycemia. |
|  | B) | type 1 diabetes. |
|  | C) | type 2 diabetes. |
|  | D) | hyperglycemia. |
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25 |  |  Which of the following hormones lowers blood glucose? |
|  | A) | glucagon. |
|  | B) | insulin. |
|  | C) | epinephrine. |
|  | D) | cortisol. |
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