NUT 10V EXAM QUESTIONS AND ANSWERS
What are the six classes of nutrients? - Answers -Proteins, carbohydrates, fats,
minerals, vitamins, water
What is the definition of an essential nutrient? - Answers --Nutrients that cannot be
made by the body
-Nutrients that cannot be made at a rate sufficient to meet needs
-Nutrients that are required in the diet
What factors are taken into account when establishing the RDA for a given nutrient? -
Answers --Determined for protein and other nutrients
-Established for different age groups, sex, physiological sate
-Designed to be averaged over several days
-Adjustments made for diet quality, bioavailability, food preparation
What is a calorie - Answers -A measure of heat energy
Fat calories: 90 kcal
Carbohydrate calories: 144 kcal
Protein calories: 48 kcal
Total calories: 282 kcal - Answers -- % Fat calories = (90 kcal/282 kcal) x 100 = 32%
- % Carbohydrate calories = (144 kcal/282 kcal) x 100 = 51%
- % Protein calories = (48 kcal/282 kcal) x 100 = 17%
Which nutrients contain calories? - Answers -- Fat
- Carbohydrate
- Protein
Which of the following is true about the definition of energy? - Answers -- Energy can
refer to doing metabolic work.
- Energy can refer to doing physical work.
- Energy can refer to doing work.
The amount of energy listed on the food label that represents what your body gets when
you eat a food item is the: - Answers -Physiological fuel value
What is the TEF for a female with a BMR of 1642 kcal/day and an activity cost of 821
kcal/day - Answers -0.05 x (1642 kcal/day + 821 kcal/day) = 123 kcal/day
- 123 kcal/day
What factors affect your BMR and how do they affect it? - Answers -- Increasing age
decreases BMR ↓
- Fasting decreases BMR ↓
- Exercise increases BMR ↑
, True or false: Generally, males have more protein present in their bodies than females
because males have more muscle mass. - Answers -True. Males, in general, have more
protein than females in their bodies because males have a higher amount of lean body
mass, also known as muscle mass.
Which of the following statements about nutrients are true? Check all that apply. -
Answers --Certain nutrients provide energy (proteins, carbohydrates, fats)
-Nutrients serve as building material
-Nutrients help maintain/repair body parts
What factors impact nutrient needs? - Answers --Age
-Sex
-Physiological state
What does the Recommended Dietary Allowance (RDA) mean? - Answers -Value
designed to meet the needs of nearly all healthy people in the population
What is the activity cost for a female with a BMR of 1,642 kcal/day with light activity
level? - Answers -- Light activity level: +50% of BMR
- 1642 kcal/day x 0.5 = 821 kcal/day
Approximate value of BMR - Answers -1,000 - 2,000 kcal/day
Approximate value of activity - Answers -Equal to or less than the value of BMR
Approximate value of growth - Answers -This is not a component of an adult's energy
requirement.
Approximate value of TEF - Answers -50 - 200 kcal/day
Determine calorie count of 2 tablespoons of peanut butter and calculate the percent of
calories coming from fat, protein, and carbohydrates.
Fat: 16 grams
Carbohydrate: 16 grams
Protein: 18 grams
Fiber: 2 grams - Answers -- Determine total calorie content from each of the nutrients.
Fat: 16 g x 9 kcal/gram = 144 kcal
Carbohydrate: 16 g x 4 kcal/gram = 64 kcal
Protein: 18 grams x 4 kcal/gram = 72 kcal
- Calculate total calories: 144 + 64 + 72 = 280 kcal
- Calculate percent calories from each nutrient.
What are the six classes of nutrients? - Answers -Proteins, carbohydrates, fats,
minerals, vitamins, water
What is the definition of an essential nutrient? - Answers --Nutrients that cannot be
made by the body
-Nutrients that cannot be made at a rate sufficient to meet needs
-Nutrients that are required in the diet
What factors are taken into account when establishing the RDA for a given nutrient? -
Answers --Determined for protein and other nutrients
-Established for different age groups, sex, physiological sate
-Designed to be averaged over several days
-Adjustments made for diet quality, bioavailability, food preparation
What is a calorie - Answers -A measure of heat energy
Fat calories: 90 kcal
Carbohydrate calories: 144 kcal
Protein calories: 48 kcal
Total calories: 282 kcal - Answers -- % Fat calories = (90 kcal/282 kcal) x 100 = 32%
- % Carbohydrate calories = (144 kcal/282 kcal) x 100 = 51%
- % Protein calories = (48 kcal/282 kcal) x 100 = 17%
Which nutrients contain calories? - Answers -- Fat
- Carbohydrate
- Protein
Which of the following is true about the definition of energy? - Answers -- Energy can
refer to doing metabolic work.
- Energy can refer to doing physical work.
- Energy can refer to doing work.
The amount of energy listed on the food label that represents what your body gets when
you eat a food item is the: - Answers -Physiological fuel value
What is the TEF for a female with a BMR of 1642 kcal/day and an activity cost of 821
kcal/day - Answers -0.05 x (1642 kcal/day + 821 kcal/day) = 123 kcal/day
- 123 kcal/day
What factors affect your BMR and how do they affect it? - Answers -- Increasing age
decreases BMR ↓
- Fasting decreases BMR ↓
- Exercise increases BMR ↑
, True or false: Generally, males have more protein present in their bodies than females
because males have more muscle mass. - Answers -True. Males, in general, have more
protein than females in their bodies because males have a higher amount of lean body
mass, also known as muscle mass.
Which of the following statements about nutrients are true? Check all that apply. -
Answers --Certain nutrients provide energy (proteins, carbohydrates, fats)
-Nutrients serve as building material
-Nutrients help maintain/repair body parts
What factors impact nutrient needs? - Answers --Age
-Sex
-Physiological state
What does the Recommended Dietary Allowance (RDA) mean? - Answers -Value
designed to meet the needs of nearly all healthy people in the population
What is the activity cost for a female with a BMR of 1,642 kcal/day with light activity
level? - Answers -- Light activity level: +50% of BMR
- 1642 kcal/day x 0.5 = 821 kcal/day
Approximate value of BMR - Answers -1,000 - 2,000 kcal/day
Approximate value of activity - Answers -Equal to or less than the value of BMR
Approximate value of growth - Answers -This is not a component of an adult's energy
requirement.
Approximate value of TEF - Answers -50 - 200 kcal/day
Determine calorie count of 2 tablespoons of peanut butter and calculate the percent of
calories coming from fat, protein, and carbohydrates.
Fat: 16 grams
Carbohydrate: 16 grams
Protein: 18 grams
Fiber: 2 grams - Answers -- Determine total calorie content from each of the nutrients.
Fat: 16 g x 9 kcal/gram = 144 kcal
Carbohydrate: 16 g x 4 kcal/gram = 64 kcal
Protein: 18 grams x 4 kcal/gram = 72 kcal
- Calculate total calories: 144 + 64 + 72 = 280 kcal
- Calculate percent calories from each nutrient.
