CNC CNC Weight Management & Body Composition

Question 1

Which method is considered the gold standard for measuring body fat percentage in a clinical setting?

Accepted Answer

Dual-energy X-ray absorptiometry (DEXA)

Answer

DEXA is considered the gold standard for body composition assessment because it provides accurate measurements of bone mineral density, lean mass, and fat mass.

Question 2

A certified nutrition coach is working with a client whose BMI is 31. According to standard classifications, this client falls into which category?

Accepted Answer

Class I Obesity

Answer

A BMI of 30–34.9 is classified as Class I (moderate) obesity according to standard WHO and CDC guidelines.

Question 3

What is the approximate caloric deficit per week required to lose one pound of body fat?

Accepted Answer

3,500 calories

Answer

One pound of adipose tissue contains approximately 3,500 calories, so a 3,500-calorie weekly deficit is the traditional estimate for one pound of fat loss.

Question 4

Which hormone, secreted by adipose tissue, signals satiety to the hypothalamus and decreases appetite?

Accepted Answer

Leptin

Answer

Leptin is an adipokine that communicates fat-store status to the brain, suppressing appetite when stores are sufficient.

Question 5

When calculating Total Daily Energy Expenditure (TDEE), which component typically accounts for the largest portion of calorie burn?

Accepted Answer

Basal metabolic rate (BMR)

Answer

Basal metabolic rate typically represents 60–75% of TDEE, making it the single largest component of daily energy expenditure.

(CNC) Certified Nutrition Coach Practice Test

(CNC) Certified Nutrition Coach Practice Test

CNC CNC Weight Management & Body Composition