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Which of the following is a characteristic of glucose? |
It is a monosaccharide. |
|
What is the reaction that breaks two molecules apart? |
Hydrolysis |
|
What is the primary storage form of carbohydrate in the body? |
Glycogen |
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Which of the following is an example of the difference between the chemical bonds of starch and those in cellulose? |
Cellulose bonds are NOT hydrolyzed by human enzymes. |
|
A "functional fiber" is one that |
is extracted from plants and has a beneficial health effect. |
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What is the primary absorption site for digestible carbohydrates? |
Small Intestines |
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What is the first organ to receive carbohydrates absorbed from the intestine? |
Liver |
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Which of the following would be least likely to be connected with the development of lactose intolerance? |
Milk allergy |
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What is the chief reason that many people with lactose intolerance can consume foods containing some lactose without suffering any symptoms? |
a change occurs in the GI bacteria |
|
What is the primary function of insulin? |
Lowers blood glucose levels |
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Which of the following is a typical response of the body to changes in blood glucose? |
Blood glucose levels that fall too low signal the release of glucagon. |
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When blood glucose concentration falls, what pancreatic hormone is secreted to stimulate release of stored glucose? |
Glucagon |
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Which of the following is a feature of diabetes? |
Dietary management should focus on total carbohydrate intake rather than the type of carbohydrate consumed. |
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Which of the following statements describes the glycemic effects of foods? |
A measure of how fast and high the food causes the blood glucose to rise |
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Which of the following is known to correlate most strongly with reduced risk of deaths from heart disease? |
High fiber intake |
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According to most dietary guidelines, what percentage of the day’s total energy intake should be furnished by carbohydrates? |
45-65 |
|
What is the RDA for carbohydrates? |
130 g/day. 45 to 65% of energy intake. |
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A compound composed of carbon, hydrogen, and oxygen with 3 fatty acids attached to a molecule of glycerol would be known as a |
triglyceride. |
|
Which of the following characteristics is shared by olive oil and canola oil? |
Both contain high levels of monounsaturated fatty acids |
|
A major cause of rancidity of lipids in foods is exposure to |
heat and oxygen. |
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Which of the following is a feature of phospholipids? |
Soluble in both water and fat |
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What type of compound is lecithin? |
Phospholipid |
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Which of the following is a feature of cholesterol? |
synthesized by the body |
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All of the following compounds may be synthesized from cholesterol except |
glucose |
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Which of the following contains the least cholesterol per serving size? |
steamed corn |
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Among the following, which would be the least effective method to control blood cholesterol levels? |
Eat more insoluble fiber |
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What part of the gastrointestinal tract is the predominant site of dietary fat hydrolysis? |
Small intestine |
|
A low risk of cardiovascular disease correlates with high blood levels of |
high-density lipoproteins |
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Which of the following vegetable oils is a good source of omega-3 fatty acids? |
Canola |
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Each of the following is known to be linked to excessive intake of fats except |
lactose intolerance. |
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