Weight Loss Knowledge 2

Question 1

Which hormone signals fullness to the brain after eating?

Accepted Answer

Leptin

Answer

Leptin is released by fat cells and signals the hypothalamus that the body has enough energy stored.

Question 2

What is the primary role of dietary fiber in weight management?

Accepted Answer

Promoting satiety and slowing digestion

Answer

Fiber slows gastric emptying, prolongs feelings of fullness, and helps stabilize blood sugar — all supportive of weight loss.

Question 3

A caloric deficit of approximately 3,500 calories is traditionally associated with losing how much weight?

Accepted Answer

1 lb

Answer

The long-standing estimate is that a 3,500-calorie deficit corresponds to roughly 1 pound of fat loss.

Question 4

Which macronutrient has the highest thermic effect of food (TEF)?

Accepted Answer

Protein

Answer

Protein has a TEF of 20–35%, meaning your body burns significantly more calories digesting it than carbs or fat.

Question 5

What does BMR stand for in the context of weight loss?

Accepted Answer

Basal Metabolic Rate

Answer

Basal Metabolic Rate is the number of calories your body burns at complete rest to maintain basic functions.

Weight Loss Practice Test