Fitness Lessons Nutrition for Fitness

Question 1

Which macronutrient is the primary fuel source for high-intensity exercise?

Accepted Answer

Carbohydrates

Answer

Carbohydrates, stored as muscle glycogen, are the preferred fuel for high-intensity exercise due to their rapid availability.

Question 2

What is the recommended daily protein intake for strength athletes per pound of body weight?

Accepted Answer

0.7–1.0 grams per pound

Answer

Most sports nutrition guidelines recommend 0.7–1.0 grams of protein per pound of body weight daily for strength and power athletes.

Question 3

What does the term 'caloric surplus' mean?

Accepted Answer

Consuming more calories than the body expends

Answer

A caloric surplus occurs when calorie intake exceeds total daily energy expenditure, often used intentionally to support muscle growth.

Question 4

What is glycogen?

Accepted Answer

The storage form of carbohydrates in muscles and liver

Answer

Glycogen is the polysaccharide form in which carbohydrates are stored in the liver and muscles for quick energy access.

Question 5

Which of the following is considered a complete protein?

Accepted Answer

Chicken breast

Answer

Chicken breast contains all nine essential amino acids in adequate amounts, making it a complete protein source.

Fitness Lessons Practice Test