|
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 |
|
|
2 | | Which of the following is another name for glucose? |
| | A) | dextrose. |
| | B) | disaccharide. |
| | C) | levulose. |
| | D) | all of the above. |
|
|
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. |
|
|
4 | | When sucrose is digested it yields: |
| | A) | two maltose units. |
| | B) | glucose and fructose. |
| | C) | glucose and galactose. |
| | D) | fructose and galactose. |
|
|
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. |
|
|
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. |
|
|
7 | | The best type of fiber to eat for reducing constipation is: |
| | A) | glycogen. |
| | B) | crude fiber. |
| | C) | soluble fiber. |
| | D) | insoluble fiber. |
|
|
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. |
|
|
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. |
|
|
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. |
|
|
11 | | To metabolize fats adequately, the diet should contain at least how many grams of carbohydrates? |
| | A) | 20 to 35 |
| | B) | 50 to 100 |
| | C) | 100 to 200 |
| | D) | 200 to 300 |
|
|
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 |
|
|
13 | | A low-fiber diet may lead to |
| | A) | diverticulae. |
| | B) | poor hydration. |
| | C) | inadequate calorie consumption. |
| | D) | excess calorie consumption. |
|
|
14 | | In calculating the fiber content of your diet, the best value to use is the: |
| | A) | percentage of energy from carbohydrates. |
| | B) | total grams of carbohydrates. |
| | C) | dietary fiber value. |
| | D) | crude fiber value. |
|
|
15 | | Sucrose is not as sweet as: |
| | A) | starch. |
| | B) | maltose. |
| | C) | galactose. |
| | D) | fructose. |
|
|
16 | | Aspartame: |
| | A) | is stable at high temperatures. |
| | B) | may cause cancer. |
| | C) | provides about 4 kcal per gram. |
| | D) | is a carbohydrate. |
|
|
17 | | People with phenylketonuria (PKU) should not consume? |
| | A) | Acesulfame-k |
| | B) | sorbitol |
| | C) | aspartame |
| | D) | xylitol |
|
|
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% |
|
|
19 | | A high-carbohydrate diet: |
| | A) | is necessarily fattening. |
| | B) | causes ketosis. |
| | C) | is protein-sparing. |
| | D) | forces glucose production from protein. |
|
|
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. |
|
|
21 | | The RDA for carbohydrates is: |
| | A) | 44 grams. |
| | B) | 900 RAE. |
| | C) | 50 to 55 milligrams. |
| | D) | nonexistent; there is currently no RDA for carbohydrates. |
|
|
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. |
|
|
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. |
|
|
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. |
|
|
25 | | Which of the following hormones lowers blood glucose? |
| | A) | glucagon. |
| | B) | insulin. |
| | C) | epinephrine. |
| | D) | cortisol. |
|