nutri sci chapter 6 quiz

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The Acceptable Macronutrient Distribution Range for total protein intake is

10% to 35% of total kcal.

The RDA for protein for adults is 0.8 grams per kilogram body weight. What is Elaine's RDA for protein?

55 grams of protein

Review the Results section of the research article. If a person had substituted fish, poultry, or legumes instead of one serving of red meat per day, mortality risk would have

decreased

The helix that forms in a protein chain as a result of hydrogen bonds and other weak forces is an example of

secondary structure of protein

The fermentable carbohydrates in legumes may cause flatulence (intestinal gas). One way to reduce the gassiness associated with eating legumes is to

soak dry beans in water overnight prior to cooking, then discard the water.

To maintain healthy muscles and bones, experts recommend consuming ______ grams of protein at a meal at more than one meal per day.

30

Based on the Acceptable Macronutrient Distribution Range (AMDR), protein should make up 10% to 35% of total calories. At the bottom of the Single Nutrient Report: Protein, find the total protein content of this 1-day, high-protein menu. At the bottom of the Food List Report, find the total calories in this menu. Approximately what percent of total calories in this menu comes from protein?

33% of calories from protein

When forming a semisolid gel such as gelatin, what type of molecule does the process of protein coagulation entrap?

water

It is apparent that Jordan has not yet learned to implement the concept of complementary proteins, so the quality of protein in his diet is low. Which of the following meals contains complementary proteins?

Rice with black beans and tomatoes

The RDA for protein is ______ grams of protein per kilogram of body weight per day.

0.8

The RDA for protein for adults is 0.8 grams per kilogram of body weight. At the bottom of the Single Nutrient Report: Protein, find the total protein content of this 1-day, high-protein meal plan. How many grams of protein per kilogram of body weight would this meal plan provide for Elaine?

2.4 grams of protein per kilogram body weight

Henry is a healthy 21-year-old college student who weighs 180 pounds. Calculate his protein needs based on the Recommended Dietary Allowance (RDA) for protein.

66 grams

What is a flexitarian diet?

A dietary pattern that increases plant-based foods and decreases (but does not entirely eliminate) foods of animal origin

What would you choose as the optimal nutrition to support your weight-training regimen?

Adhere to a dietary pattern that provides 10% to 35% of calories from a variety of sources of protein.

A person who consumes inadequate dietary protein may be expected to experience

All of these are potential consequences of inadequate dietary protein intake.

Which of the following is a possible nutritional problem associated with consuming excess animal sources of protein?

All of these choices are correct.

Sandra has taken up bodybuilding and is starting to become more interested in a diet to improve athletic performance. She read an article in a bodybuilding magazine that said she should dramatically increase her dietary protein intake. What happens to protein when it is consumed in excess of the body's needs?

Excess amino acids are used to meet energy needs or converted to and stored as fat.

Two complementary proteins must be eaten in the same meal to provide adequate essential amino acids for protein synthesis.

FALSE

Consuming more than 2.0 grams of protein per kilogram of body weight per day is a good strategy to build muscle mass.

False

The presence of lectins in cooked legumes causes a vast array of health problems in humans.

False

To experience the benefits of a plant-based diet, you must completely eliminate foods of animal origin from your dietary pattern.

False

In the stable form of protein, what is generally oriented to the interior of the protein molecule?

Hydrophobic portions

Bodybuilding magazines have numerous advertisements for protein and amino acid supplements. Which of the following is a potential problem associated with taking individual amino acid supplements?

Impaired absorption of other amino acids

Jordan's diet appears to be lacking in protein. Which of the following modifications could he have made to yesterdays' diet to increase his intake of protein?

Include black beans in the tomato and rice dish.

Why is it important to pay attention to your portion size for nuts and seeds?

Nuts and seeds provide a lot of calories from fat.

What type of bonds link individual amino acids together?

Peptide bonds

When an egg is fried, what happens to the protein in the egg?

The protein is denatured.

Excess intake from any energy-yielding nutrient can lead to weight gain.

True

Rinsing canned beans under cold, running water before using them in food preparation can reduce the sodium content of the beans by about 50%.

True

Review the Results section of the research article. As consumption of red meat increased,

all of these are correct

A vegetarian diet is usually

higher in dietary fiber than an omnivorous diet.

Compared to animal sources of protein, plant sources of protein are typically

less expensive

Babies in North America are routinely screened for phenylketonuria (PKU). PKU is a disease characterized by the body's inability to convert the essential amino acid _____ to the nonessential amino acid _____.

phenylalanine; tyrosine

Eating two complementary proteins during the same meal will

provide all of the essential amino acids in sufficient amounts to support protein synthesis in the body.

Sports nutrition experts recommend that strength-training athletes consume protein in amounts greater than the RDA.

true


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