question

Sickle-cell disease is an example of an inherited mistake in the amino acid sequence

answer

True

question

Most people in the U.S. would find it next to impossible not to meet their protein requirements

answer

True

question

Starvation always incurs wasting of lean body tissue as well as loss of fat

answer

True

question

Vegetarians have significantly higher rates of hypertension than the general population

answer

False

question

The growth of well-fed vegetarian children is similar to that of their meat-eating peers.

answer

True

question

Which of the following is found in protein but not in carbohydrate or fat?

answer

nitrogen

question

Which of the following accounts for the differences among the various amino acids

answer

Side chain

question

The body normally makes tyrosine from the essential amino acid

answer

Phen

question

How many amino acids are considered to be essential amino acids

answer

9

question

For athletes, the path to bigger muscles includes

answer

physical training & well timed meals

question

The role of enzymes in the small intestine in protein digestion is to split proteins into all except:

answer

oligopeptides.

question

The stomach lining is protected from the very strong acid of the stomach by:

answer

Coat of mucus

question

The process of protein turnover includes:

answer

eating food sources of amino acids every day to grow new cells and replace worn-out ones.

question

When amino acids are degraded for energy, their amine groups are stripped off and used elsewhere or incorporated by the liver into:

answer

Urea

question

All of the following are needed for the body to synthesize protein except:

answer

amino acid supplements

question

In making recommendations for protein intake, the committee on DRI took into consideration that the protein in a normal diet would be:

answer

A combination of plant and animal sources

question

Of the following foods, which likely contains the most easily digestible protein?

answer

tuna

question

Which of the following cooking methods would you use to increase the digestibility of protein?

answer

stewing

question

The calorie-deficiency disease resulting from chronic starvation is known most specifically as:

answer

marasmus

question

Which of the following is not a characteristic of children with kwashiorkor?

answer

They look like skin and bones

question

A child with marasmus would exhibit all of the following symptoms except:

answer

Edema

question

Which of the following is not associated with an excess of protein?

answer

enlarged liver in humans

question

Which of the following groups of the USDA Food Guide contribute(s) an abundance of high-quality protein?

answer

Milk and Meat

question

An overemphasis on protein-rich foods can lead to:

answer

Low intake of folate and vitamin c

question

The more animal protein you eat, the higher your intake of _____.

answer

vitamin b12

question

The recycling system for amino acids in the body is used to:

answer

provide the cells with materials to build body proteins.

question

The roles of enzymes formed by body proteins are important when foods are eaten because:

answer

an enzyme acts as a catalyst to speed up a reaction without being altered itself.

question

A child suffering from protein deficiency has edema. This is an example of protein's role in:

answer

Maintaining fluid and electrolyte balance

question

Certain proteins act as buffers in the blood. In this role they are responsible for:

answer

picking up and releasing hydrogens in the blood to balance its pH.

question

Proteins use the process of active transport to move substances in or out of the cell by:

answer

opening passages in the membrane and escorting substances through the cell.

question

In times of energy shortage from carbohydrates or fats in foods, the body uses protein in what way?

answer

it removes the nitrogen portion and burns the remaining fragments for energy

question

A young man has said to you that he is eating much more protein in his diet than the recommendation but he feels he needs the extra amount just in case he wants to build more muscle mass in the near future. How would you respond to him?

answer

if he has excess calories in his diet, he may gain fat weight from converted protein

question

Which of the following would have the highest protein DRI per unit of body weight?

answer

6 year old child

question

A young man who is a sedentary college student needs how much protein if he weighs 175 pounds?

answer

64 grams/day

question

A 135-pound woman needs how much protein?

answer

49 grams/day

question

Cells will do all of the following to create their own working proteins from available amino acids except

answer

hold partially completed proteins until the diet provides the missing amino acids.

question

An adolescent girl has decided to adhere to a vegetarian diet and has selected a tossed green salad, whole-wheat crackers, and apple juice for lunch. What would you advise her about her complementary protein sources?

answer

adding garbanzo beans to her salad would provide the protein combination she needs

question

Examples of complementary protein combinations include all of the following except:

answer

pasta with tomato sauce

question

What change in body function will occur in a child with marasmus?

answer

the digestive tract develops dysentery, which results in diarrhea and mineral loss

question

Your friend is a vegetarian who consumes large quantities of soy products in the place of meat. From a nutrition perspective, your friend is at risk of developing _____ deficiency.

answer

iron

question

Your mother is considering changing her diet to include only non-meat proteins to reduce her risk of developing heart disease or cancer. What evidence is available to support her decision?

answer

plant-based diets are usually lower in saturated fat and higher in fiber, which reduces risk of heart disease

question

Which statement is true of a vegan diet?

answer

very young children and the elderly may not consume enough plant sources of protein to build and maintain bone and muscle tissue

question

Poorly-planned vegetarian diets typically lack all of the following except:

answer

folate

question

When planning a vegetarian diet, the following recommendation should be adhered to:

answer

fruits and vegetables high in iron and calcium should be emphasized.

question

The best way for a vegetarian to ensure adequate absorption of iron in the diet is to:

answer

include vitamin C-rich foods because they enhance absorption of iron.

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