Sports and Fitness Sports and Fitness Nutrition & Performance

Question 1

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

Accepted Answer

Carbohydrates

Answer

Fats

Answer

Proteins

Answer

Fiber

Question 2

According to U.S. dietary guidelines for athletes, how much protein per kilogram of body weight is generally recommended for strength athletes daily?

Accepted Answer

1.2–1.7 g/kg

Answer

0.8 g/kg

Answer

2.5–3.0 g/kg

Answer

0.4–0.6 g/kg

Question 3

What is the primary purpose of the 'glycemic index' in sports nutrition planning?

Accepted Answer

Rank how quickly carbohydrates raise blood glucose

Answer

Measure total caloric content of foods

Answer

Determine fat-to-protein ratios

Answer

Calculate hydration needs

Question 4

Which electrolyte is most critical to replace during prolonged endurance exercise lasting over 2 hours in hot conditions?

Accepted Answer

Sodium

Answer

Potassium

Answer

Magnesium

Answer

Calcium

Question 5

What does the concept of 'carbohydrate periodization' involve in athletic training?

Accepted Answer

Cycling carbohydrate intake to match training load

Answer

Eliminating carbohydrates from the diet permanently

Answer

Eating only complex carbohydrates

Answer

Timing carbohydrate intake exclusively before bed

Question 6

Which vitamin is synthesized in the skin through sun exposure and plays a key role in calcium absorption for bone health in athletes?

Accepted Answer

Vitamin D

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin K