Diet Weight Loss Nutrition

Question 1

What is a 'calorie deficit' and why is it central to weight loss?

Accepted Answer

Consuming fewer calories than the body expends, causing the body to use stored energy

Answer

A calorie deficit occurs when calorie intake is less than total energy expenditure, forcing the body to use stored fat as fuel, which results in weight loss.

Question 2

Approximately how many calories are in one pound of body fat?

Accepted Answer

3,500 calories

Answer

One pound of body fat contains approximately 3,500 calories, meaning a 500-calorie daily deficit leads to roughly one pound of fat loss per week.

Question 3

Which macronutrient is most satiating per calorie and helps preserve muscle during weight loss?

Accepted Answer

Protein

Answer

Protein is the most satiating macronutrient per calorie and is essential for preserving lean muscle mass during a calorie deficit.

Question 4

What is 'metabolic adaptation' in the context of long-term dieting?

Accepted Answer

The reduction in metabolic rate that occurs in response to sustained calorie restriction

Answer

Metabolic adaptation (or adaptive thermogenesis) is the body's tendency to reduce its metabolic rate in response to prolonged calorie restriction, making further weight loss harder.

Question 5

Which dietary strategy helps reduce hunger while maintaining a calorie deficit for weight loss?

Accepted Answer

High-volume, low-calorie foods (e.g., vegetables, lean protein)

Answer

Eating high-volume, low-calorie foods like vegetables and lean protein helps fill the stomach and signal satiety while keeping total calorie intake low.

Diet Practice Test

Diet Practice Test

Diet Weight Loss Nutrition