Chapter 1 quiz Flashcards


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1

Christopher's lunch contains 121 grams of carbohydrate, 40 grams of protein, and 25 grams of fat. What percent of kilocalories (kcal) in this meal come from fat?

26 percent

2

Which of the following is NOT classified as a lipid?

  1. triglyceride
  2. glycine
  3. phospholipid
  4. sterol

3

Alcohol is not considered a ________ because it does not support the regulation of body functions or tissue repair or rebuilding.

nutrient

4

Which of the following statements is false?

  1. Lipids yield more Calories per gram than carbohydrate or protein.
  2. Lipids are soluble in water.
  3. Lipids include triglycerides, phospholipids, and sterols.
  4. Lipids are comprised of carbon, hydrogen, and oxygen.

5

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

folate

6

Vitamin C and the B-vitamins are examples of

water-soluble vitamins.

7

Which of the following are inorganic nutrients that are NOT broken down by the human body or destroyed by heat?

minerals

8

The Recommended Dietary Allowances (RDAs) were originally adopted to prevent

nutrient-deficiency diseases.

9

The standard used to estimate the daily nutrient needs of half of all healthy individuals is the

EAR

10

The health promotion and disease prevention plan for the U.S. is called

Healthy People 2020.

11

What percentage of deaths in the United States can be attributed to unhealthful lifestyle behaviors such as smoking, alcohol misuse, physical inactivity, and a poor quality diet?

50 to 60 percent

12

The type of study that is used in assessing nutritional habits, disease trends, and other health phenomena of large populations, and in determining factors that influence those phenomena, is called a(n)

observational study.

13

The measurement unit for the energy derived from food is called a(n)

kilocalorie.

14

Which of the following is the only inorganic macronutrient?

water

15

Trace minerals are those needed in amounts less than ________ mg per day.

100mg

16

An organic substance contains the elements carbon and hydrogen.

true

17

Carbohydrates, fats, and proteins are the only nutrients that provide energy.

true

18

By the mid-nineteenth century, some nutrients had been identified.

true

19

The purpose of a scientific experiment is to test a hypothesis.

true

20

A personal testimonial from a molecular biologist about the effectiveness of a dietary supplement would be considered a highly reliable source of nutrition information.

false