Q: How many kilocalories are provided by 10 grams of fat?

$$10 \times 9 = 90$$ kilocalories

Q: A nutrition label states that a food contains 8 grams of protein, 12 grams of carbohydrate, and 5 grams of fat. What is the total caloric content of this food?

$$8 \times 4 + 12 \times 4 + 5 \times 9 = 32 + 48 + 45 = 125$$ kilocalories

Question 1

Which of the following is the best choice to help fuel you through the rest of your day if you have only eaten a bag of chips and are feeling exhausted at 3pm?

Accepted Answer

Pick up a turkey sandwich, salad, and yogurt at the dining hall.

Question 2

Which of the following is NOT one of the six essential nutrients required by the human body?

Accepted Answer

Fiber

Question 3

How many kilocalories are provided by 10 grams of fat?

Accepted Answer

$$10 	imes 9 = 90$$ kilocalories

Question 4

Which of the following statements about macronutrients and micronutrients is correct?

Accepted Answer

Macronutrients are needed in large amounts and provide energy.

Question 5

A nutrition label states that a food contains 8 grams of protein, 12 grams of carbohydrate, and 5 grams of fat. What is the total caloric content of this food?

Accepted Answer

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

Question 6

Which of the following best describes the Acceptable Macronutrient Distribution Range (AMDR)?

Accepted Answer

The range of energy intake from carbohydrate, fat, and protein associated with reduced risk of chronic disease.

Question 7

Which of the following is an example of a micronutrient?

Accepted Answer

Vitamin C

Question 8

A researcher wants to determine the percentage of U.S. college undergraduates who regularly eat at least five servings of fruits and vegetables a day. Which type of study should they conduct?

Accepted Answer

Observational study

Question 9

Which of the following is the correct definition of a kilocalorie?

Accepted Answer

The amount of energy required to raise the temperature of 1 kilogram of water by 1 degree Celsius.

Question 10

Which of the following is a function of vitamins in the body?

Accepted Answer

Assist in regulating body processes as organic molecules

Question 11

Which of the following is the best source of protein among the options below?

Accepted Answer

Turkey sandwich

Question 12

Which of the following is NOT a chronic disease associated with poor nutrition?

Accepted Answer

Influenza

Question 13

Which of the following is the best indicator that a nutrition website is reliable?

Accepted Answer

It is sponsored by a government agency and ends in '.gov'.

Question 14

Which of the following statements about Dietary Reference Intakes (DRIs) is correct?

Accepted Answer

The Adequate Intake (AI) is used when there is not enough evidence to establish an RDA.

Question 15

A double-blind, placebo-controlled clinical trial is considered the gold standard in nutrition research because:

Accepted Answer

It eliminates bias by ensuring neither researchers nor participants know who receives the treatment.

Question 16

If a meal contains 20 grams of carbohydrate, 10 grams of protein, and 5 grams of fat, what percentage of the total calories comes from fat? (Round to the nearest whole number.)

Accepted Answer

$$	ext{Total calories} = 20 	imes 4 + 10 	imes 4 + 5 	imes 9 = 80 + 40 + 45 = 165$$; $$\frac{45}{165} 	imes 100 \approx 27\%$$

Question 17

Which of the following is a key consideration when evaluating the credibility of a nutrition research study?

Accepted Answer

Whether the sample size was large enough to rule out chance variation.

Question 18

Which of the following best describes the function of minerals in the human body?

Accepted Answer

They are inorganic substances required for body processes.

Question 19

Which of the following is the correct formula for calculating the total energy (in kilocalories) from a meal containing carbohydrates, proteins, and fats?

Accepted Answer

$$	ext{Total kcal} = (	ext{g carbs} 	imes 4) + (	ext{g protein} 	imes 4) + (	ext{g fat} 	imes 9)$$

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