Sports and Fitness Sports and Fitness Nutrition & Performance 2

Question 1

What is the recommended carbohydrate intake (in grams per hour) for endurance athletes during events lasting more than 90 minutes?

Accepted Answer

30–60 g/hr

Answer

Research supports consuming 30–60 grams of carbohydrates per hour during prolonged endurance events to maintain performance and delay fatigue.

Question 2

What does 'nutrient timing' primarily refer to in sports nutrition?

Accepted Answer

Strategically consuming nutrients around training for optimal performance and recovery

Answer

Nutrient timing refers to the strategic consumption of foods and supplements around workouts to maximize training adaptations, performance, and recovery.

Question 3

Which of the following is a complete protein source because it contains all essential amino acids?

Accepted Answer

Whole eggs

Answer

Whole eggs are a complete protein source containing all nine essential amino acids in proportions the body can readily use.

Question 4

What is the primary metabolic role of iron in athletic performance?

Accepted Answer

Transporting oxygen in red blood cells

Answer

Iron is a core component of hemoglobin in red blood cells, enabling oxygen transport to working muscles, which is critical for aerobic performance.

Question 5

Which dietary supplement has the strongest evidence base for improving high-intensity exercise performance and is approved by most U.S. sports organizations?

Accepted Answer

Creatine monohydrate

Answer

Creatine monohydrate has the most robust scientific evidence for enhancing high-intensity performance and is widely recognized as safe and effective by U.S. sports medicine organizations.

Sports and Fitness Practice Test

Sports and Fitness Practice Test

Sports and Fitness Sports and Fitness Nutrition & Performance 2