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Certified Sports Nutritionist

CISSN
study guide.

A CISSN study path through macronutrients, hydration, supplementation, nutrient timing, and sport-nutrition application.

Topic guide

Macronutrients

Macronutrient questions connect carbohydrate, fat, and protein metabolism to energy availability, recovery, and adaptation.

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Topic guide

Hydration

Hydration items test fluid replacement, electrolyte balance, dehydration and hyponatremia risk, and individualized sweat-rate monitoring.

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Topic guide

Supplements

Supplement questions ask for evidence-aware use, safety, banned-substance caution, and whether food-first nutrition already meets the need.

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Topic guide

Nutrient Timing

Nutrient timing questions connect pre-, during-, and post-exercise intake to glycogen, protein balance, immune stress, and recovery windows.

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Free sample questions

Check your recall before the full course.

5 public questions
Question 1

For high-intensity repeated efforts, which macronutrient is most directly tied to maintaining glycolytic work?

  1. Carbohydrate
  2. Alcohol
  3. Fiber only
  4. Water
Answer: Carbohydrate

Carbohydrate availability is especially important as exercise intensity rises and glycolytic contribution increases.

Question 2

What is the safest first principle when evaluating a supplement?

  1. Assume all labels are accurate
  2. Check diet context, evidence, safety, and sport legality
  3. Use the largest dose
  4. Ignore medications
Answer: Check diet context, evidence, safety, and sport legality

Supplement decisions require food-first context, evidence, safety, and banned-substance review.

Question 3

Why might body weight be tracked before and after endurance training?

  1. To estimate sweat-related fluid loss
  2. To diagnose anemia
  3. To calculate max strength
  4. To replace all dietary logs
Answer: To estimate sweat-related fluid loss

Body-mass change across a session helps individualize rehydration strategy.

Question 4

Which plan best fits an athlete with no appetite after a hard session?

  1. Skip all intake for the day
  2. Use a practical carbohydrate/protein snack, then eat a meal later
  3. Only take caffeine
  4. Avoid fluids
Answer: Use a practical carbohydrate/protein snack, then eat a meal later

The textbook emphasizes practical early recovery intake when appetite limits a full meal.

Question 5

During long events, why can electrolytes matter alongside fluid?

  1. They replace all calories
  2. They support fluid balance when sweat losses are meaningful
  3. They guarantee fat loss
  4. They remove the need to monitor intake
Answer: They support fluid balance when sweat losses are meaningful

Electrolyte replacement becomes more relevant as exercise duration, heat, and sweat losses increase.