$$ \text{Energy Intake} = \text{Energy Expenditure} $$

Question 1

Which of the following best describes the main advantage of using the scientific method in nutrition research?

Accepted Answer

It provides a systematic and unbiased approach to investigating questions.

Question 2

A friend is seeking nutrition advice to manage their cholesterol. Which of the following is the most reliable source?

Accepted Answer

A registered dietitian nutritionist (RDN)

Question 3

Which type of research study can demonstrate a cause-and-effect relationship?

Accepted Answer

Randomized controlled trial

Question 4

Which of the following statements about subcutaneous and visceral fat is correct?

Accepted Answer

Visceral fat is stored around internal organs and is linked to higher risk of metabolic diseases.

Question 5

A person with a BMI of 28 is classified as:

Accepted Answer

Overweight

Question 6

Which equation correctly represents energy balance?

Accepted Answer

$$ 	ext{Energy Intake} = 	ext{Energy Expenditure} $$

Question 7

Which hormone is primarily responsible for increasing hunger?

Accepted Answer

Ghrelin

Question 8

A student switches from eating whole grains to mostly refined grains. What is the most likely effect on their blood sugar?

Accepted Answer

Blood sugar will rise more rapidly after meals.

Question 9

Which of the following is a characteristic of mindful eating?

Accepted Answer

Paying attention to hunger and fullness cues during meals

Question 10

During high-intensity exercise, which fuel source is primarily used by muscles?

Accepted Answer

Glucose

Question 11

Which organ is NOT directly involved in the synthesis of active Vitamin D?

Accepted Answer

Pancreas

Question 12

Which of the following is an example of a naturally occurring sugar?

Accepted Answer

Lactose in milk

Question 13

Which of the following best describes the role of the kidneys in fluid balance?

Accepted Answer

They filter blood and regulate water and electrolyte excretion.

Question 14

Which of the following is a potential risk of excessive antioxidant supplementation?

Accepted Answer

Increased oxidative damage

Question 15

Which of the following statements about dietary supplements is correct?

Accepted Answer

Supplements are not always regulated for safety and effectiveness.

Question 16

Which of the following is a food source of heme iron?

Accepted Answer

Chicken breast

Question 17

A pregnant woman is advised to increase her intake of folate. What is the primary reason for this recommendation?

Accepted Answer

To support the development of the baby's neural tube

Question 18

Which age group is least likely to meet the RDA for calcium?

Accepted Answer

Teenagers

Question 19

Which of the following best describes food synergy?

Accepted Answer

The combined effect of nutrients and other food components working together for health benefits

Question 20

How often are the USDA Dietary Guidelines for Americans reissued?

Accepted Answer

Every 5 years

NSD 225 Exam 2 Study Guide – Step-by-Step Guidance

Study Guide - Practice Questions