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Homework answers / question archive / University of Illinois, Urbana Champaign ECON 103 Complied Ch

University of Illinois, Urbana Champaign ECON 103 Complied Ch

Health Science

University of Illinois, Urbana Champaign

ECON 103

Complied Ch.6 Compass Quizzes

1)Kwashiorkor appears in children between the ages of 2 and 5 years. The reason is that

A.            growth needs are low.

B.            children have been weaned from breast milk early.

C.            by this time adequate exposure to other children allows them to catch it.

D.            protein intake has been high for a long enough time to cause kidney damage.

 

2.            If the carbohydrate content of the diet is insufficient to meet the body's needs for glucose, which of the following can be converted to glucose?

A.            Urea

B.            Fatty Acids C. Amino Acids

D. Ketones

 

3.            The combination of plant foods that most often is used to provide complete protein is

A. Legumes and nuts B. Legumes and grains

C. vegetables and nuts

D. vegetables and seeds

 

4.            All of the following are primary functions of protein except to

A.            repair tissues

B.            support growth of new tissue

C.            supply more than 40% of the Kcal in the diet

D.            Maintain body tissues

 

5.            If the diet is lacking an essential amino acid, what will be the course of action?

A.            Body cells will synthesize it.

B.            Protein synthesis will be limited.

C.            Health will not be affected as long as other nutrients are adequate.

 

D.            Proteins will be made but they will lack that particular amino acid.

 

6.            Proteins regulate the acid-base balance of the blood by

A.            acting as buffers.

B.            releasing nitrogen.

C.            releasing an acid.

D.            binding sodium ions.

 

7.            In the case of sickle cell anemia, the slight alterations in the DNA of red blood cells lead to

A.            defects in the membranes of these cells.

B.            changes in the structure of the protein hemoglobin.

C.            poor use of glucose for energy.

D.            inability of the cells to make protein.

 

8.            The child with kwashiorkor has all the following conditions except

A.            moderate weight deficit.

B.            some visible fat stores.

C.            edema in the abdomen and legs.

D.            a skin-and-bones appearance.

 

9.            The most reliable source of vitamin B12 for the vegan would be

A.            fortified soybean milk.

B.            milk.

C.            Cheese

D.            Eggs

 

10.          The chemical element found in all amino acids but not found in either carbohydrates or fats is

A.            carbon.

B.            nitrogen.

C.            oxygen.

D.            Hydrogen

 

11.          Which of the following is not true about pepsin?

A.            Amino acid chains are the digestive products of its action.

 

B.            Pepsin works best in an alkaline environment.

C.            Acid activates pepsin.

D.            Pepsin acts on food in the stomach.

 

12.          Marasmus usually is associated with a deficiency of

A.            kcalories.

B.            protein.

C.            carbohydrate.

D.            fat.

 

13.          Which of the following is true about protein intake of people in the United States?

A.            Most do not consume enough protein.

B.            Most consume approximately the amount needed to balance losses.

C.            Athletes generally do not get enough protein without supplements.

D.            Most consume more than is needed.

 

14.          Which of the following is true about protein?

A.            It is unique in that it is the only dietary component that contains selenium.

B.            It is important primarily for increasing bone density.

C.            It is made up of combinations of approximately 20 amino acids.

D.            It is made up of combinations of amino acids and fatty acids.

 

15.          Proteins that bind to foreign proteins in the body are

A.            enzymes.

B.            antibodies.

C.            hormones.

D.            collagen.

 

16.          The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering

                of the plate and meat, fish, poultry, or low-fat dairy covering                      of the plate.

A.            one-half; one-half

B.            three-quarters; one-quarter

 

C.            two-thirds (or more); only one-third (or less)

D.            one-third; two-thirds

 

17.          Donovan has been consuming large quantities of food and in violation of safe rules of athletic training is injecting testosterone. He has been seeing large temporary gains in muscle mass. He is in a state of

A.            negative protein balance.

B.            positive protein balance.

C.            energy equilibrium.

D.            excess protein balance

 

18.          Approximately how many different amino acids are used in the synthesis of body proteins?

A.            5

B.            9

C.            20

D.            29

 

19.          A vegetarian who eats only plant foods is a(n)

A.            lacto-ovo-vegetarian.

B.            lacto vegetarian.

C.            vegan.

D.            ovo-vegetarian.

 

20.          Today the best estimate for the amount of protein required for nearly all adults is grams per kilogram body weight per day.

A.            2

B. 0.6

C. 0.8

D. 1.5

 

21.          All of the following are essential amino acids except

A.            alanine.

B.            lysine.

C.            methionine.

D.            threonine.

 

 

22.          Edema appears when there is a severe lack of dietary protein because

A.            sodium is retained in the body.

B.            blood protein levels fall and fluid shifts to the tissues.

C.            blood protein levels increase and force fluid into the tissues.

D.            increased protein synthesis occurs in tissues causing fluid to flow into them from the blood.

 

23.          The RDA for protein translates into approximately what percentage of total daily kcalorie needs?

A.            5%

B. 10%

C. 15%

D. 20%

 

24.          When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecule is

A.            stored as glycogen and/or fat.

B.            excreted in the urine.

C.            stored as amino acids in muscle.

D.            stored as amino acids in the liver.

 

25.          Food proteins are used most efficiently when we

A.            are eating a very low kcalorie diet.

B.            eat large quantities of protein even though our kcalorie intake may be low.

C.            are consuming enough carbohydrates and fats to meet our kcalorie needs.

D.            are eating enough fat even though carbohydrate intake may be low.

 

26.          Which of the following is not true about body proteins?

A.            They are in a state of breakdown, rebuilding, and repair.

B.            They are static and change little after achievement of adult status.

C.            Those in the bone marrow and intestine undergo the most change, in terms of breakdown and synthesis.

D.            Their breakdown products, especially amino acids, can be recycled.

 

27.          .All of the following are true of the alteration of the three-dimensional structure of a protein except

A.            it tends to be rigid and retains its structure.

B.            it can be caused by heat, acid, or base.

C.            it is called denaturation.

D.            it usually destroys its physiological function.

 

28.          If a person does not eat enough carbohydrate to supply the glucose the body needs, which of the following will happen?

A.            Fatty acids will be converted to glucose.

B.            The pancreas will convert insulin to glucose.

C.            The liver will convert amino acids to glucose.

D.            The pancreas will convert protein to glucose.

 

29.          The typical American diet supplies approximately what percentage of protein as essential amino acid?

A. 10%

B. 25%

C. 40%

D. 50%

 

30.          .If a food does not contain the necessary amounts of a certain amino acid to meet a body need, that amino acid is referred to as a

A.            complementary amino acid.

B.            essential amino acid.

C.            limiting amino acid.

D.            dispensable amino acid.

 

31.          When there is a need for increased dietary protein during pregnancy or lactation, which foodstuff would be least desirable?

A.            Eggs

B.            Dried beans

C.            Gelatin

D.            Beef

 

32.          Cooking an egg alters its appearance due to

 

A.            denaturation.

B.            emulsification.

C.            esterification.

D.            detoxification.

 

33.          Proteins are digested in which areas of the body?

A.            Mouth and stomach

B.            Mouth and small intestine

C.            Stomach and small intestine

D.            Small and large intestines

 

34.          High protein diets may be harmful for

A.            those with kidney disease.

B.            athletes.

C.            the elderly.

D.            body builders.

 

35.          The nitrogen from amino acid breakdown is

A.            stored in the liver.

B.            oxidized to carbohydrate.

C.            converted to urea.

D.            converted to fat.

 

36.          All of the following are true of high quality protein except

A.            It contains all essential amino acids

B.            It provides 7 kcal/g of energy

C.            It can support body maintenance

D.            It can support body growth

 

37.          Which of the following is not true about the events during and after absorption of protein digestive breakdown products?

A.            Most protein eaten ends up as individual amino acids in the blood

B.            Small peptides are digested further to amino acids inside the absorptive cells of the small intestine

C.            Many whole proteins are absorbed and enter the blood

D.            Amino acids travel to the liver via the portal vein

 

 

 

38.         

A.            What enzyme is released by the stomach to digest protein?

Pepsin

                B.

C.

D.            Lipoprotein lipase Amylase

Trypsin

39.         

 

A.            Kwashiorkor usually is associated with a deficiency of Carbohydrate

                B.

C.

D.            Fat Protein Kcal

40.                          A vegetarian who excludes animal flesh but consumes such products as

milk and eggs is referred to as a(n)

A.            lacto-vegetarian.

B.            lacto-ovo-vegetarian.

C.            Vegan

D.            Ovo-vegetarian

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