nutrition ch 5-6

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the three most important dietary monosaccharides for human are

galactose, glucose and fructose

______ is the disaccharide comprised of two glucose molecules

maltose

the basic chemical unit of carbohydrates is a _____ molecule

monosaccharide

glycogen is

the storage from of carbohydrates in animals

consuming a lot of sugar ____ is clearly associated with a 5 yr old diet

tooth decay

true or false. Dietary fat provides 9kcal/g, a polyunsaturated fatty acid has two or more double bonds between carbon in the hydrocarbon chain, olive oil is a rich source of monounsaturated fatty acids

true

true or false. a diet that is high in saturated fat helps elevate blood cholesterol levels

true

true or false. a fatty acid has a chain of carbons bonded to each other and to hydrogen atoms

true

true or false. most americans do not consume enough dietary fiber

true

true or false. phospholipids are partially soluble in both water and oil

true

true or false. the cholesterol carried by oxidized LDL is taken up by certain arterial cells and deposited in plaque

true

true or false. the human body digestive tract does not produce enzymes that digest dietary fibers

true

true or false. tryglycerides account for about 95% of lipids in your body and foods

true

which food is a naturally rich source of saturated fat and cholesterol?

whole milk

bill recorded his food intake for a wk then computerized his record, according to the results of the analysis, his average intake was ___ of total calories each day, which is within the acceptable macronutrient distribution range

20%

amanda consumes approximately 2500kcal/day. according to recommendations of the dietary guidelines she should limit her saturated fat intake to fewer than ____ kcal/day

250

which substances carries cholesterol away from tissue and back to the liver?

HDL

which lipoproteins contains the highest percentage of cholesterol ?

LDL

which foods are a rich source of fiber?

brown rice

which food is a naturally rich source of omega-3 fatty acids?

canned salmon

jared has a high risk of cardiovascular disease because he has

chronic high blood pressure

pearsons mother and father have type 2 diabetes, to reduce his risk of this disease, pearson should

consume a high-fiber diet, avoid gaining excess weight and exercise regularly

products rich source of unsaturated fat?

corn oil

_______ acid is an omega-3 fatty acid

eicosapentaenoic

if your diet supplies more sugar and starch than you need, the excess can be

first stored as glycogen and then any excess converted to fat and stored

bryan has type 2 diabetes, which conditions is a sign or symptom of this chronic disease?

frequent urination. excessive thirdt, and blurry vision

_____ is a primary fuel that the muscles and other cells of the body use for energy

glucose

which term is a measure of how quickly glucose is absorbed after ingestion of a particular food. how high blood glucose rises as a result and how quickly blood glucose levels return to normal?

glycemic index

insulin

helps glucose enter cells

betty is constipated, she generally has bowel movements only twice a wk, to help relieve her constipation without taking medication betty should

increase her intake of foods that contain fiber

which of the following carbohydrates is in plain, fat-free milk ?

lactose

_____ acid is an essential fatty acid

linoleic

in the body, lipids

provide insulation against cold temperatures

glucagon

raises blood glucose as glycogen

which food is a rich source of starch?

rice, potatoes and corn

solid fats generally have a high proportion of _____ fatty acids

saturated

which food is a naturally rich source of polyunsaturated fatty acids?

soybean oil

cholecystokinin (CCK) is a hormone that

stimulates the gallbladder to secrete bile into the small intestine

______ is a source of sucrose

sugar cane


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