Fitness Lessons Body Composition and Weight Management 2

Question 1

Which hormone is primarily responsible for signaling hunger to the brain?

Accepted Answer

Ghrelin

Answer

Ghrelin is produced primarily in the stomach and signals the brain that the body needs food, stimulating appetite and promoting fat storage.

Question 2

What does the Thermic Effect of Food (TEF) refer to?

Accepted Answer

The energy expended to digest, absorb, and metabolize nutrients

Answer

TEF is the energy cost of digesting, absorbing, and processing food, and accounts for roughly 10% of total daily energy expenditure.

Question 3

What is considered a safe and sustainable rate of weight loss per week according to most health guidelines?

Accepted Answer

0.5–2 lbs

Answer

Most health organizations recommend losing 0.5–2 pounds per week to ensure the loss is primarily fat rather than muscle or water, and to support long-term adherence.

Question 4

Which waist circumference measurement is generally considered a health risk threshold for men?

Accepted Answer

Over 40 inches

Answer

A waist circumference greater than 40 inches in men is associated with increased risk for cardiovascular disease, type 2 diabetes, and metabolic syndrome.

Question 5

What term describes fat stored around internal organs in the abdominal area?

Accepted Answer

Visceral fat

Answer

Visceral fat surrounds internal organs in the abdominal cavity and is metabolically active, releasing hormones and inflammatory compounds linked to metabolic disease.

Fitness Lessons Practice Test

Fitness Lessons Practice Test

Fitness Lessons Body Composition and Weight Management 2