Nutrition Chapter 6 Post-Test

An inadequate intake of dietary protein can stunt a child's growth. A) TRUE B) FALSE

A) TRUE

Animal protein foods often contain large amounts of saturated fat. A) TRUE B) FALSE

A) TRUE

Marasmus is a disease caused by starvation and can be seen in children who live in large cities of impoverished countries. A) TRUE B) FALSE

A) TRUE

Milk provides high-quality protein. A) TRUE B) FALSE

A) TRUE

Most enzymes are proteins. A) TRUE B) FALSE

A) TRUE

Most of the energy in water-packed tuna is in the form of protein. A) TRUE B) FALSE

A) TRUE

Protein and nitrogen (N) are related. A) TRUE B) FALSE

A) TRUE

One would expect to see a negative protein balance A) during kidney disease. B) during pregnancy. C) as one recovers from an illness. D) in any healthy human being.

A) during kidney disease.

Amino acids are linked together by _________ to form proteins. A) peptide bonds B) hydrogen atoms C) emulsifiers D) denatured proteins

A) peptide bonds

Proteins help regulate body acid-base balance by A) taking up and releasing hydrogen. B) accepting alkaline substances from the blood. C) releasing acid-forming amino acids into the blood. D) by attracting water back to the blood from the tissues.

A) taking up and releasing hydrogen.

In marasmus A) the child is often fed watered-down formula or the formula is prepared with unsafe water. B) protein needs are met. C) muscle wasting is present, but it is hidden by edema. D) preschool children, not infants, are typically affected.

A) the child is often fed watered-down formula or the formula is prepared with unsafe water.

The RDA for protein intake is __________ of total calorie intake. A) 5% to 10%. B) 10% to 15%. C) 15% to 20%. D) 20% to 25%.

B) 10% to 15%.

Amino acids are primarily absorbed in the large intestine. A) TRUE B) FALSE

B) FALSE

Athletes usually need at least triple the protein intake of non-athletes. Supplements are the preferred source. A) TRUE B) FALSE

B) FALSE

Because proteins are a combination of a variety of amino acids, it is crucial to consume sufficient amounts of ALL of the amino acids in the diet. A) TRUE B) FALSE

B) FALSE

Low-protein diets are suitable for weight loss because fat and carbohydrate can supply the missing nitrogen. A) TRUE B) FALSE

B) FALSE

Most North Americans have trouble consuming a diet containing all the essential amino acids. A) TRUE B) FALSE

B) FALSE

Protein deficiencies are commonly seen in North America. A) TRUE B) FALSE

B) FALSE

Protein needs are the greatest late in the life span. A) TRUE B) FALSE

B) FALSE

The 2010 Dietary Guidelines for Americans do NOT provide the following recommendations regarding protein intake: A) Increase intake of fat-free and low-fat milk and milk products. B) Increase intake of animal products. C) Choose seafood in place of some meat and poultry. D) Replace protein foods that are higher in solid fats with choices lower in solid fats.

B) Increase intake of animal products.

The amino acid is the lowest concentration in diet relative to body need is: A) an indispensible amino acid B) a limiting amino acid C) a complementary amino acid. D) a complete protein.

B) a limiting amino acid

Nonessential amino acids A) are not needed by the body. B) are not needed in the diet. C) are not needed daily, but weekly. D) are found in only incomplete proteins.

B) are not needed in the diet.

Nutritional edema occurs when A) blood protein concentration is increased. B) blood protein concentration is decreased. C) the red blood cell number decreases. D) there is a great change in blood hemoglobin concentration.

B) blood protein concentration is decreased.

Which of the following foods/combinations of foods does/do NOT provide mixtures of amino acids that are well balanced for humans? A) corn and refried beans B) gelatin C) eggs D) macaroni and cheese

B) gelatin

The denaturing of protein A) destroys its amino acid order. B) happens in the stomach. C) is prevented by cooking . D) forms an emulsifier.

B) happens in the stomach.

The chemical element (atom) found in all proteins, but not usually in fats or carbohydrates, is A) carbon. B) nitrogen. C) hydrogen. D) oxygen.

B) nitrogen.

The RDA for protein of a 60-kilogram (132-pound) woman is A) 36 grams. B) 42 grams. C) 48 grams. D) 54 grams.

C) 48 grams.

High-protein diets are discouraged in people with A) skin ulcers. B) HIV. C) diabetes. D) kwashiorkor.

C) diabetes.

The RDA for protein is increased A) during mental stress. B) after age 30. C) during pregnancy. D) whenever physical activity is increased.

C) during pregnancy.

At which stage of life must a diet contain the highest percentage of protein as essential amino acids? A) older adulthood B) pregnancy C) infancy D) young adulthood

C) infancy

Urea is synthesized from amino groups mostly in the A) blood. B) kidneys. C) liver. D) small intestine.

C) liver.

During pregnancy, protein balance should be A) negative. B) in equilibrium. C) positive. D) either positive or in equilibrium

C) positive.

If a person takes in more protein than the body needs, the excess protein can be A) converted to fat . B) converted to glucose. C) used to provide energy for the body if needed. D) .all of the above

D) .all of the above

There are_______essential amino acids: A) 20 B) 11 C) 10 D) 9

D) 9

Which is NOT true about kwashiorkor? A) Protein needs are generally not met B) The child appears plump because of edema C) The child is at a high risk for infections D) The affected are breastfed infants.

D) The affected are breastfed infants.

Sickle-cell disease (anemia) is the result of A) not eating enough iron. B) not eating enough protein. C) eating too much protein. D) amino acids out of order on the polypeptide chain.

D) amino acids out of order on the polypeptide chain.

Essential (indispensable) amino acids A) is only found in animal products . B) is needed only by growing infants and children. C) is the amino acin the smallest supply in foods. D) cannot by synthesized by the body in sufficient amounts to meet the body's needs.

D) cannot by synthesized by the body in sufficient amounts to meet the body's needs.

According to MyPlate the food group that contributes the least protein is: A) milk. B) grain. C) vegetable. D) fruit.

D) fruit.

Which of the following is definitely NOT a protein? A) antibody B) enzyme C) connective tissue D) glycogen

D) glycogen

Phenylketonuria is treated by limiting: A) all amino acids. B) tryptophan. C) tyrosine. D) phenylalanine.

D) phenylalanine.