CSCS Nutrition for Sport Performance 3

Question 1

"Carbohydrate loading" is a pre-competition nutritional strategy primarily used to:

Accepted Answer

Maximize muscle and liver glycogen stores prior to a prolonged event

Answer

Reduce body fat percentage before competition

Answer

Increase fat oxidation rates during exercise

Answer

Enhance muscle protein anabolism in the days before competition

Question 2

Which macronutrient has the highest thermic effect of feeding (TEF), meaning the body expends the most energy to digest and metabolize it?

Accepted Answer

Protein

Answer

Carbohydrate

Answer

Fat

Answer

Alcohol

Question 3

Relative Energy Deficiency in Sport (RED-S) is characterized by:

Accepted Answer

Low energy availability negatively affecting health and performance across multiple body systems

Answer

Excessive caloric intake leading to unwanted weight gain

Answer

High carbohydrate intake impairing fat metabolism

Answer

Optimal energy balance producing peak athletic performance

Question 4

Sodium replacement during prolonged exercise lasting more than 2 hours is important primarily to prevent:

Accepted Answer

Hyponatremia (dangerously low blood sodium)

Answer

Hypoglycemia (low blood sugar)

Answer

Hyperkalemia (elevated blood potassium)

Answer

Dehydration-induced muscle cramping

Question 5

The glycemic index (GI) of a food is BEST defined as:

Accepted Answer

How quickly a food raises blood glucose concentration relative to a reference food

Answer

The total fiber content per serving of the food

Answer

The total caloric density of a carbohydrate-containing food

Answer

The ratio of complex to simple carbohydrates in the food

Question 6

Which amino acid is considered the primary initiator of muscle protein synthesis via activation of the mTOR signaling pathway?

Accepted Answer

Leucine

Answer

Glutamine

Answer

Valine

Answer

Isoleucine

Question 7

"Nutrient timing" as a strategy for optimizing athletic performance BEST refers to:

Accepted Answer

Strategically consuming specific nutrients before, during, and after exercise to optimize performance, adaptation, and recovery

Answer

Practicing intermittent fasting for improved body composition

Answer

Eating only whole foods and avoiding all processed supplements

Answer

Consuming smaller, more frequent meals throughout the day regardless of training schedule