Question 1

Which of the following best describes a negative energy balance, and what is its likely effect on body weight?

Accepted Answer

Energy expenditure is greater than energy intake, resulting in weight loss.

Question 2

Which component contributes the most to total daily energy expenditure (TDEE) in a sedentary adult?

Accepted Answer

Basal metabolic rate (BMR)

Question 3

A 30-year-old woman who walks approximately 7 miles per day at 3–4 miles per hour would use which physical activity factor to estimate her TDEE?

Accepted Answer

$$1.27$$

Question 4

Which of the following statements about body mass index (BMI) is correct?

Accepted Answer

BMI is calculated as weight in kilograms divided by height in meters squared: $$BMI = \frac{weight\ (kg)}{$$height^2$$\ (m^2$)}$$

Question 5

Which fat distribution pattern is associated with a higher risk of heart disease and type 2 diabetes?

Accepted Answer

Android (apple-shaped) obesity

Question 6

A patient has a BMI of $$32$$ and a high waist circumference. According to risk classification, what is their health risk?

Accepted Answer

Very high risk

Question 7

Which of the following is a characteristic of bulimia nervosa?

Accepted Answer

Binge eating followed by purging

Question 8

Which hormone is primarily responsible for stimulating hunger?

Accepted Answer

Ghrelin

Question 9

What is the main reason why the number of fat cells in the body does not decrease after weight loss?

Accepted Answer

Fat cells shrink in size but are not eliminated.

Question 10

Which of the following is NOT a recommended strategy for healthy weight loss?

Accepted Answer

Relying solely on diet pills and laxatives

Question 11

A person consumes 2,500 kcal per day but only expends 2,000 kcal per day. What is the expected outcome over time?

Accepted Answer

Weight gain due to positive energy balance

Question 12

Which of the following best describes the thermic effect of food (TEF)?

Accepted Answer

Energy used to process and extract kilocalories from food

Question 13

Which of the following is a benefit of regular physical activity?

Accepted Answer

Improved insulin sensitivity and blood glucose control

Question 14

Which method is considered the gold standard for assessing body composition but is rarely used outside research settings due to its complexity?

Accepted Answer

Underwater weighing (hydrostatic weighing)

Question 15

Which of the following environmental factors is most likely to contribute to increased energy intake and obesity?

Accepted Answer

Frequent dining out and large portion sizes

Question 16

A 154-lb person burns approximately how many kilocalories per hour while running at 5 miles per hour?

Accepted Answer

$$590$$

Question 17

Which of the following statements about essential fat is correct?

Accepted Answer

Essential fat is necessary for basic physiological processes.

Question 18

Which of the following is a potential downside to classifying obesity as a disease?

Accepted Answer

It may encourage more use of drugs and medical procedures rather than lifestyle changes.

Question 19

Which of the following best describes nutrigenomics?

Accepted Answer

The study of how genetic makeup interacts with diet to influence health

Question 20

Which of the following is a recommended behavior modification strategy for weight loss?

Accepted Answer

Keeping a food log to monitor eating habits

Weight Management, Energy Balance, and Body Composition: Study Notes for Nutrition Students

Guida di studio - Domande di pratica