Question 1

Which of the following best describes why nutrition is considered a complex and evolving science?

Accepted Answer

Nutrition investigates both why we eat what we do and how food affects our health, and recommendations change as new evidence emerges.

Question 2

A person develops bowed legs and bone deformities, as shown in the first image. Which nutrient deficiency is most likely responsible for this condition?

Accepted Answer

Vitamin D

Question 3

Which of the following is NOT a reason why people might choose to eat ultra-processed fast food, despite knowing its health risks?

Accepted Answer

High vitamin content

Question 4

Which of the following is a difference between macronutrients and micronutrients?

Accepted Answer

Macronutrients are required in large amounts and provide energy, while micronutrients are required in small amounts and do not provide energy.

Question 5

Which nutrients are comprised of organic molecules? (Select the best answer)

Accepted Answer

Only macronutrients and vitamins

Question 6

A person is diagnosed with scurvy. Which dietary imbalance is most likely responsible?

Accepted Answer

Lack of vitamin C

Question 7

Which of the following is generally consumed in too small a quantity in the American diet?

Accepted Answer

Fiber

Question 8

Which description of a macronutrient is correct?

Accepted Answer

Proteins are broken down into individual amino acids before being absorbed by the body.

Question 9

Which of the following is a difference between vitamins and minerals?

Accepted Answer

Vitamins are organic molecules, while minerals are chemical elements.

Question 10

Phytochemicals are best described as:

Accepted Answer

Non-nutritive chemicals found in plants that may have health benefits.

Question 11

How many Calories are provided by 10 g carbohydrates, 8 g fat, and 3 g protein? Use the following values: $$4 	ext{ Calories/g (carbohydrate)}$$, $$9 	ext{ Calories/g (fat)}$$, $$4 	ext{ Calories/g (protein)}.$$

Accepted Answer

$$124$$

Question 12

According to the scientific method, what should a researcher do if their hypothesis is not supported by the data?

Accepted Answer

Refine the hypothesis and design a new study.

Question 13

What does it mean to say that a study is 'single-blind'?

Accepted Answer

The participants do not know whether they are in the experimental or control group.

Question 14

Why are clinical trials sometimes preferred over epidemiological studies in nutrition research?

Accepted Answer

Clinical trials are usually better able to establish causal relationships than epidemiological studies.

Question 15

Which of the following would be a good source of credible nutritional information?

Accepted Answer

Studies from universities published in peer-reviewed journals.

Question 16

Which of the following best explains why alcohol is not considered an essential nutrient, even though it provides energy?

Accepted Answer

Alcohol is not necessary for general health and well-being.

Question 17

A nutrition label shows a serving contains 3 g carbohydrates, 9 g fat, and 1 g protein. Calculate the total Calories per serving using $$4 	ext{ Calories/g (carbohydrate)}$$, $$9 	ext{ Calories/g (fat)}$$, $$4 	ext{ Calories/g (protein)}.$$

Accepted Answer

$$98$$

Question 18

Which type of professional is qualified to provide Medical Nutritional Counseling?

Accepted Answer

Registered Dietitian Nutritionist (RDN)

Question 19

Which of the following is a general recommendation for improving the average American diet?

Accepted Answer

Eat more fruits and vegetables.

Nutrition: Linking Food and Health – Mini-Textbook Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards