CNC CNC Sports Nutrition & Performance

Question 1

What is the primary fuel source used during high-intensity, short-duration exercise (e.g., sprinting or heavy lifting)?

Accepted Answer

Muscle glycogen (glucose)

Answer

Free fatty acids

Answer

Protein (amino acids)

Answer

Ketone bodies

Question 2

Which carbohydrate intake timing is most important for replenishing muscle glycogen after prolonged endurance exercise?

Accepted Answer

Within 30–60 minutes post-exercise

Answer

24–48 hours post-exercise

Answer

Only before the next training session

Answer

Timing is irrelevant if daily totals are met

Question 3

An endurance athlete completing 2+ hours of daily training should target approximately how many grams of carbohydrate per kilogram of body weight per day?

Accepted Answer

6–10 g/kg/day

Answer

1–2 g/kg/day

Answer

3–4 g/kg/day

Answer

12–15 g/kg/day

Question 4

Which electrolyte is lost in the greatest quantity through sweat and is critical for maintaining fluid balance and nerve conduction during exercise?

Accepted Answer

Sodium

Answer

Potassium

Answer

Magnesium

Answer

Calcium

Question 5

The concept of 'train low, compete high' in endurance sports refers to:

Accepted Answer

Periodically training with low glycogen stores to enhance fat oxidation adaptations

Answer

Training at low altitude and competing at sea level

Answer

Reducing protein intake on training days

Answer

Using lower heart rate zones during competition

Question 6

Which sports nutrition organization's position stand is a primary evidence-based reference for certified nutrition coaches advising athletes?

Accepted Answer

International Society of Sports Nutrition (ISSN)

Answer

American Heart Association (AHA)

Answer

Academy of Nutrition and Dietetics (AND) only

Answer

National Institutes of Health (NIH)