Q: How many kilocalories are in a food item containing 10 grams of fat, 20 grams of carbohydrate, and 5 grams of protein? Use the following values: fat = 9 kcal/g, carbohydrate = 4 kcal/g, protein = 4 kcal/g.

$ (10 \times 9) + (20 \times 4) + (5 \times 4) = 90 + 80 + 20 = 190 $ kilocalories

Q: A food label states that a serving contains 250 mg of sodium. How many grams of sodium is this?

$ 250 \text{ mg} = 0.25 \text{ g} $

Q: If a nutrition label lists 5 grams of alcohol, how many kilocalories does this contribute? (Alcohol = 7 kcal/g)

$ 5 \times 7 = 35 $ kilocalories

Q: A patient is prescribed a supplement containing 0.5 mg of vitamin B12. How many micrograms (µg) is this?

$ 0.5 \text{ mg} = 500 \text{ \mu g} $

Q: A recipe calls for 2 cups of milk. If 1 cup = 240 mL, how many liters of milk are needed?

$ 2 \times 240 \text{ mL} = 480 \text{ mL} = 0.48 \text{ L} $

Question 1

Which of the following best describes the relationship between chemicals and nutrients in the context of nutrition?

Accepted Answer

Nutrients are a subset of chemicals that are essential for body function and health.

Question 2

Which of the following lists includes only macronutrients?

Accepted Answer

Carbohydrates, proteins, fats

Question 3

Which nutrients provide energy (calories) to the body?

Accepted Answer

Carbohydrates, proteins, fats, and alcohol

Question 4

Which of the following is an example of an organic nutrient?

Accepted Answer

Vitamin C

Question 5

How many kilocalories are in a food item containing 10 grams of fat, 20 grams of carbohydrate, and 5 grams of protein? Use the following values: fat = 9 kcal/g, carbohydrate = 4 kcal/g, protein = 4 kcal/g.

Accepted Answer

$ (10 	imes 9) + (20 	imes 4) + (5 	imes 4) = 90 + 80 + 20 = 190 $ kilocalories

Question 6

Which of the following is a micronutrient?

Accepted Answer

Iron

Question 7

What is the difference between a calorie (cal), a Calorie (Cal), and a kilocalorie (kcal)?

Accepted Answer

1 Calorie (Cal) = 1 kilocalorie (kcal) = 1,000 calories (cal)

Question 8

Which of the following nutrients is inorganic?

Accepted Answer

Minerals

Question 9

A food label states that a serving contains 250 mg of sodium. How many grams of sodium is this?

Accepted Answer

$ 250 	ext{ mg} = 0.25 	ext{ g} $

Question 10

Which metric prefix represents one-millionth (1/1,000,000)?

Accepted Answer

Micro ($ \mu $)

Question 11

If a nutrition label lists 5 grams of alcohol, how many kilocalories does this contribute? (Alcohol = 7 kcal/g)

Accepted Answer

$ 5 	imes 7 = 35 $ kilocalories

Question 12

Which of the following best defines 'nutrition'?

Accepted Answer

The science of how the body uses food substances to promote health and prevent disease.

Question 13

A patient is prescribed a supplement containing 0.5 mg of vitamin B12. How many micrograms (µg) is this?

Accepted Answer

$ 0.5 	ext{ mg} = 500 	ext{ \mu g} $

Question 14

Which of the following is NOT a function of nutrients in the body?

Accepted Answer

Producing genetic mutations

Question 15

A recipe calls for 2 cups of milk. If 1 cup = 240 mL, how many liters of milk are needed?

Accepted Answer

$ 2 	imes 240 	ext{ mL} = 480 	ext{ mL} = 0.48 	ext{ L} $

Question 16

Which of the following statements about vitamins is TRUE?

Accepted Answer

Vitamins are organic compounds required in small amounts for normal metabolism.

Question 17

Which of the following best describes a mineral?

Accepted Answer

An inorganic nutrient required in small amounts for health.

Question 18

A food contains 8 grams of protein, 12 grams of carbohydrate, and 5 grams of fat. Calculate the total energy content in kilocalories.

Accepted Answer

$ (8 	imes 4) + (12 	imes 4) + (5 	imes 9) = 32 + 48 + 45 = 125 $ kilocalories

Question 19

Which of the following is the correct abbreviation for the metric prefix 'kilo'?

Accepted Answer

k

Question 20

Which of the following statements about macronutrients is correct?

Accepted Answer

Macronutrients are required in large amounts and provide energy.

Step-by-Step Guidance for Introduction to Nutrition Study Guide

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