Q: If a nutrition label lists 8 grams of fat, 7 grams of protein, and 6 grams of carbohydrates, what is the total number of Calories in the food item? (Use: Fat = 9 Calories/gram, Protein = 4 Calories/gram, Carbohydrate = 4 Calories/gram)

$$8 \times 9 + 7 \times 4 + 6 \times 4 = 72 + 28 + 24 = 124$$ Calories

Q: A food label shows: 5g fat, 10g carbohydrate, 7g protein. What is the total Calorie content?

$$5 \times 9 + 10 \times 4 + 7 \times 4 = 45 + 40 + 28 = 113$$ Calories

Q: If a serving of roasted peanuts contains 15g fat, 7g protein, and 6g carbohydrate, what is the total Calorie content?

$$15 \times 9 + 7 \times 4 + 6 \times 4 = 135 + 28 + 24 = 187$$ Calories

Q: A nutrition label lists: 3g fat, 5g carbohydrate, 2g protein. What is the total Calorie content?

$$3 \times 9 + 5 \times 4 + 2 \times 4 = 27 + 20 + 8 = 55$$ Calories

Q: If a food contains 10g fat, 20g carbohydrate, and 5g protein, what is the total Calorie content?

$$10 \times 9 + 20 \times 4 + 5 \times 4 = 90 + 80 + 20 = 190$$ Calories

Q: Which of the following is the correct formula to calculate total Calories in a food item?

$$\text{Total Calories} = (\text{grams of fat} \times 9) + (\text{grams of carbohydrate} \times 4) + (\text{grams of protein} \times 4)$$

Q: A nutrition label lists: 0g fat, 20g carbohydrate, 5g protein. What is the total Calorie content?

$$0 \times 9 + 20 \times 4 + 5 \times 4 = 0 + 80 + 20 = 100$$ Calories

Question 1

Which of the following best describes the relationship between a 'calorie', a 'Calorie', and a 'kilocalorie'?

Accepted Answer

A 'Calorie' is equal to 1000 'calories', and a 'kilocalorie' is equal to a 'Calorie'.

Question 2

If a nutrition label lists 8 grams of fat, 7 grams of protein, and 6 grams of carbohydrates, what is the total number of Calories in the food item? (Use: Fat = 9 Calories/gram, Protein = 4 Calories/gram, Carbohydrate = 4 Calories/gram)

Accepted Answer

$$8 	imes 9 + 7 	imes 4 + 6 	imes 4 = 72 + 28 + 24 = 124$$ Calories

Question 3

Which macronutrient provides the most Calories per gram?

Accepted Answer

Fats

Question 4

A food label shows: 5g fat, 10g carbohydrate, 7g protein. What is the total Calorie content?

Accepted Answer

$$5 	imes 9 + 10 	imes 4 + 7 	imes 4 = 45 + 40 + 28 = 113$$ Calories

Question 5

Which of the following statements is TRUE regarding the use of 'Calorie' in nutrition?

Accepted Answer

'Calorie' is always used to mean 1000 calories, or 1 kilocalorie, in nutrition.

Question 6

If a serving of roasted peanuts contains 15g fat, 7g protein, and 6g carbohydrate, what is the total Calorie content?

Accepted Answer

$$15 	imes 9 + 7 	imes 4 + 6 	imes 4 = 135 + 28 + 24 = 187$$ Calories

Question 7

Which of the following is NOT a correct value for Calories per gram for the listed macronutrient?

Accepted Answer

Alcohol: 2 Calories/gram

Question 8

A nutrition label lists: 3g fat, 5g carbohydrate, 2g protein. What is the total Calorie content?

Accepted Answer

$$3 	imes 9 + 5 	imes 4 + 2 	imes 4 = 27 + 20 + 8 = 55$$ Calories

Question 9

Which of the following foods would provide the most Calories per gram?

Accepted Answer

Cheese (mostly fat)

Question 10

If a food contains 10g fat, 20g carbohydrate, and 5g protein, what is the total Calorie content?

Accepted Answer

$$10 	imes 9 + 20 	imes 4 + 5 	imes 4 = 90 + 80 + 20 = 190$$ Calories

Question 11

Which of the following is the correct formula to calculate total Calories in a food item?

Accepted Answer

$$	ext{Total Calories} = (	ext{grams of fat} 	imes 9) + (	ext{grams of carbohydrate} 	imes 4) + (	ext{grams of protein} 	imes 4)$$

Question 12

A nutrition label lists: 0g fat, 20g carbohydrate, 5g protein. What is the total Calorie content?

Accepted Answer

$$0 	imes 9 + 20 	imes 4 + 5 	imes 4 = 0 + 80 + 20 = 100$$ Calories

Question 13

Which of the following statements about metabolism and energy is correct?

Accepted Answer

Energy released in metabolism is measured in Calories.

Question 14

If a food contains 12g fat, 8g carbohydrate, and 10g protein, what is the total Calorie content?

Accepted Answer

$$12 	imes 9 + 8 	imes 4 + 10 	imes 4 = 108 + 32 + 40 = 180$$ Calories

Question 15

Which of the following is the correct definition of a 'Calorie' in nutrition?

Accepted Answer

The amount of energy needed to raise 1 kilogram of water by 1°C.

Question 16

A nutrition label lists: 9g fat, 15g carbohydrate, 6g protein. What is the total Calorie content?

Accepted Answer

$$9 	imes 9 + 15 	imes 4 + 6 	imes 4 = 81 + 60 + 24 = 165$$ Calories

Question 17

Which of the following statements is FALSE regarding the calculation of Calories in food?

Accepted Answer

Carbohydrate provides more Calories per gram than fat.

Question 18

If a food contains 4g fat, 12g carbohydrate, and 3g protein, what is the total Calorie content?

Accepted Answer

$$4 	imes 9 + 12 	imes 4 + 3 	imes 4 = 36 + 48 + 12 = 96$$ Calories

Energy in Food: Understanding Calories and Nutrient Contributions

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