CFP Nutrition & Health 5

Question 1

Which hormone, secreted by adipose tissue, signals the hypothalamus to suppress appetite and increase energy expenditure?

Accepted Answer

Leptin

Answer

Leptin is released by fat cells in proportion to fat mass and acts on the hypothalamus to reduce hunger and up-regulate metabolic rate.

Question 2

A vegan client reports fatigue, numbness in the hands, and megaloblastic anemia. Which nutrient deficiency is most likely?

Accepted Answer

Vitamin B12

Answer

Vitamin B12 is found almost exclusively in animal products; deficiency causes megaloblastic anemia and neurological symptoms and is common in strict vegans.

Question 3

What is the recommended carbohydrate intake range as a percentage of total daily calories for active individuals, according to general sports nutrition guidelines?

Accepted Answer

45–65%

Answer

The Acceptable Macronutrient Distribution Range (AMDR) for carbohydrates is 45–65% of total energy, aligning with sports nutrition guidelines for active people.

Question 4

Which supplement has the strongest evidence base for improving high-intensity, short-duration athletic performance such as sprinting and weightlifting?

Accepted Answer

Creatine monohydrate

Answer

Creatine monohydrate is the most extensively studied ergogenic aid and consistently improves maximal strength, power output, and repeated sprint performance.

Question 5

Which amino acid is the rate-limiting precursor for serotonin synthesis and may influence mood and sleep when consumed in the diet?

Accepted Answer

Tryptophan

Answer

Tryptophan is converted to 5-hydroxytryptophan (5-HTP) and then to serotonin; dietary intake influences central serotonin levels and related mood and sleep regulation.

(CFP) Certified Fitness Professional Practice Test

(CFP) Certified Fitness Professional Practice Test

CFP Nutrition & Health 5