$$ (10 \times 4) + (8 \times 9) + (3 \times 4) = 124 $$

Question 1

Which of the following best describes the science of nutrition?

Accepted Answer

Nutrition is a biological science that studies how food affects our health and why we eat what we do.

Question 2

Which of the following is NOT a factor that influences food choices?

Accepted Answer

Nutrient density

Question 3

Which of the following is a correct statement about essential nutrients?

Accepted Answer

Essential nutrients must be obtained from the diet.

Question 4

Which of the following nutrients is considered a macronutrient?

Accepted Answer

Protein

Question 5

Which equation correctly calculates the total Calories in a food containing 10 g carbohydrates, 8 g fat, and 3 g protein?

Accepted Answer

$$ (10 	imes 4) + (8 	imes 9) + (3 	imes 4) = 124 $$

Question 6

Which of the following best explains why alcohol is not considered an essential nutrient?

Accepted Answer

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

Question 7

A deficiency in which vitamin leads to scurvy?

Accepted Answer

Vitamin C

Question 8

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

Accepted Answer

Vitamins are organic molecules, while minerals are chemical elements.

Question 9

Which of the following is a function of dietary fiber?

Accepted Answer

Adds bulk to feces and helps move material through the digestive tract.

Question 10

Which of the following best describes phytochemicals?

Accepted Answer

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

Question 11

What is the relationship between a 'calorie', a 'Calorie', and a 'Kcal'?

Accepted Answer

A 'Kcal' is equal to a 'Calorie'. A 'Calorie' is equal to 1000 'calories'.

Question 12

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

Accepted Answer

Fiber

Question 13

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

Accepted Answer

Eat more fruits and vegetables.

Question 14

Which of the following nutrients is NOT organic?

Accepted Answer

Minerals

Question 15

Which of the following is a correct step in the scientific method after analyzing data and drawing conclusions?

Accepted Answer

Publish findings in a peer-reviewed journal.

Question 16

What does it mean if a clinical trial is 'double-blind'?

Accepted Answer

Neither the participants nor the researchers know who is in the experimental or control group.

Question 17

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

Accepted Answer

Clinical trials are usually better able to establish causal relationships.

Question 18

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

Accepted Answer

A study published in a peer-reviewed journal by a university.

Question 19

Which professional is qualified to provide Medical Nutrition Counseling?

Accepted Answer

Registered Dietitian Nutritionist (RDN)

Question 20

Which of the following is a characteristic of a micronutrient?

Accepted Answer

Needed in small amounts and does not provide energy.

Comprehensive Study Guide: Introduction to Nutrition

Study Guide - Practice Questions