10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
At 10:00 a.m., a 70-kg cyclist finishes a glycogen-depleting training session. A second hard session starts at 3:00 p.m.; fluid and protein needs are already being addressed. Which carbohydrate schedule best supports rapid glycogen restoration during the first four hours of recovery?
Correct answer: C - 80 g each hour, beginning immediately after the session.
Six days into a planned creatine monohydrate loading phase, a healthy adult rugby player is 1.3 kg heavier. Food intake is unchanged, there is no swelling or illness, and training feels normal. The player asks whether this means the supplement is causing fat gain. The most appropriate response is:
Correct answer: A - This is consistent with water retention during creatine loading.
A distance runner following a strict vegan diet has not used fortified foods or vitamin supplements for several years. During medical evaluation for fatigue, the clinician identifies macrocytic anemia; the runner also reports persistent tingling and numbness in both feet. Which deficiency best accounts for this combination of findings?
Correct answer: D - Vitamin B12 deficiency
For a field sweat-rate assessment, a runner is weighed dry before and after a 90-minute session: 75.0 kg before and 74.4 kg after. The runner drinks 1.0 L, passes 0.2 L of urine, and eats nothing during the session. What approximate sweat rate should inform planning for similar conditions?
Correct answer: B - 0.93 L/hour
Replacing much of the carbohydrate in a cyclist's diet with fat has left total energy and protein intake adequate. Easy rides still feel comfortable, but repeated high-intensity intervals have deteriorated. Training load and sleep are unchanged. Which adjustment most directly addresses the likely fueling limitation?
Correct answer: B - Restore carbohydrate availability for the demanding sessions.
A 14-year-old basketball player's BMI falls at the 92nd percentile on the appropriate CDC BMI-for-age chart. The family asks what this result means. Which entry correctly records the screening category without treating BMI as a direct measurement of body fat?
Correct answer: D - Overweight, based on the age- and sex-specific BMI percentile.
During a nutrition consultation, an athlete says, 'I understand why lunch matters, and I want to change. But between classes and practice, the plan you gave me never seems to fit.' Which reply is most likely to uncover a useful next step?
Correct answer: A - What could make eating lunch workable on your busiest training days?
Preparing for a four-hour cycling event, an experienced athlete is gradually practicing carbohydrate intakes approaching 90 g/hour. At this high intake, which formulation uses more than one intestinal carbohydrate transport pathway?
Correct answer: C - Glucose plus fructose
A clinician is reviewing a 70-kg athlete's energy availability. The day's estimated energy intake is 2,800 kcal, exercise energy expenditure above rest is 1,000 kcal, resting metabolic rate is 1,500 kcal/day, and fat-free mass is 50 kg. Which value correctly represents estimated energy availability?
Correct answer: B - 36 kcal/kg fat-free mass/day
A runner tries a large breakfast of bran cereal and nuts 30 minutes before training and feels uncomfortably full during the warm-up. Delaying the run resolves the discomfort; the usual smaller breakfast causes no symptoms. The most reasonable first adjustment for future runs is to:
Correct answer: A - Use a smaller, lower-fiber meal with more time before running.
The Sports Nutritionist Certification (Sports Nutritionist) exam is organized into 1 knowledge domains. These free practice questions are drawn from across them so you can see where you're strong and where to study:
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