$$10 \times 4 + 15 \times 4 + 5 \times 9 = 145$$ kcal

Question 1

Which of the following is an example of an observational research study in nutrition?

Accepted Answer

Observing dietary patterns in a population and correlating them with heart disease rates.

Question 2

What is the main difference between a nutrient content claim and an authorized health claim on a food label?

Accepted Answer

A nutrient content claim describes the amount of a nutrient, while an authorized health claim links a food to reduced disease risk.

Question 3

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

Accepted Answer

$$45\%-65\%$$

Question 4

A food label states, 'Calcium builds strong bones.' This is an example of which type of claim?

Accepted Answer

Structure/function claim

Question 5

Which enzyme is produced in the pancreas and acts in the small intestine to digest carbohydrates?

Accepted Answer

Pancreatic amylase

Question 6

If a food contains 10g protein, 15g carbohydrate, and 5g fat, what is the total caloric value using the 4-4-9 rule?

Accepted Answer

$$10 	imes 4 + 15 	imes 4 + 5 	imes 9 = 145$$ kcal

Question 7

Which hormone signals the body to store glucose after a meal?

Accepted Answer

Insulin

Question 8

Which of the following foods is considered high in nutrient density?

Accepted Answer

Spinach

Question 9

Which part of a whole grain contains the most fiber?

Accepted Answer

Bran

Question 10

Which of the following best describes the role of glycogen in the body?

Accepted Answer

It is the body's stored carbohydrate for quick access to glucose.

Question 11

Which of the following nutrients do Americans need to consume more of, as reflected in 2020 food labels?

Accepted Answer

Vitamin D, iron, potassium, calcium

Question 12

Which of the following is a prebiotic?

Accepted Answer

Fiber that feeds beneficial gut microbes

Question 13

Which enzyme is responsible for protein digestion in the stomach?

Accepted Answer

Pepsin

Question 14

What is the main route by which nutrients absorbed in the small intestine reach the liver?

Accepted Answer

Portal vein (blood)

Question 15

Which of the following best describes nutrigenetics?

Accepted Answer

How your genes respond to nutrients and diet

Question 16

Which of the following is a disaccharide?

Accepted Answer

Sucrose

Question 17

Which enzyme is produced in the pancreas and acts in the small intestine to digest lipids?

Accepted Answer

Pancreatic lipase

Question 18

Which of the following is a function of glucagon?

Accepted Answer

Signals the body to release stored glucose

Question 19

Which of the following is an example of a phytonutrient?

Accepted Answer

Lycopene from tomatoes

Question 20

Which of the following best describes passive absorption in the small intestine?

Accepted Answer

Nutrients move from high to low concentration without energy

Nutrition 225 Midterm 1 Study Guide: Key Concepts and Mechanisms

Study Guide - Practice Questions