Weight Loss Weight Loss Metabolism

Question 1

What does 'Basal Metabolic Rate' (BMR) represent in the context of weight management?

Accepted Answer

The minimum calories needed to sustain basic body functions at rest

Answer

Calories burned during exercise only

Answer

The maximum caloric intake for weight loss

Answer

Daily caloric needs including all activity

Question 2

Which factor has the greatest influence on an individual's basal metabolic rate?

Accepted Answer

Lean muscle mass

Answer

Hair color

Answer

Height alone

Answer

Blood type

Question 3

What is the thermic effect of food (TEF) and approximately what percentage of daily caloric expenditure does it represent?

Accepted Answer

The energy used to digest, absorb, and metabolize food; approximately 10%

Answer

The heat from cooking food; 40%

Answer

Calories burned from hot beverages; 5%

Answer

The fat-burning effect of spicy foods; 25%

Question 4

How does aging affect metabolism and body composition in ways relevant to weight management?

Accepted Answer

Metabolism slows and muscle mass declines naturally after age 30–40, reducing BMR

Answer

Metabolism speeds up significantly after age 40

Answer

Age has no effect on metabolism or weight management

Answer

Older adults burn more fat at rest than younger adults

Question 5

What is the difference between 'fat loss' and 'weight loss' and why is the distinction important?

Accepted Answer

Weight loss includes loss of muscle and water, while fat loss specifically targets adipose tissue

Answer

They are identical with no meaningful difference

Answer

Fat loss always occurs before muscle loss

Answer

Weight loss always equals fat loss in caloric deficit

Question 6

Which hormone produced by the pancreas plays a central role in regulating fat storage and is elevated in response to carbohydrate-rich meals?

Accepted Answer

Insulin

Answer

Glucagon

Answer

Cortisol

Answer

Testosterone