nutrition ch 5-6
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
