NSC Nutrition Interventions 3 — Questions and Answers
Question 1: A health promotion program wants to reduce obesity-related absenteeism. Which intervention is most evidence-based?
- Banning vending machines only
- Providing nutrition education combined with healthy food access (Correct answer)
- Issuing mandatory diet plans
- Requiring daily weigh-ins
Correct answer: Providing nutrition education combined with healthy food access
Combining nutrition education with improved access to healthy food options is the most evidence-based approach to reducing obesity in workplace settings.
Question 2: Which dietary component is the body's preferred fuel source during high-intensity physical labor?
- Dietary fat
- Carbohydrates (Correct answer)
- Protein
- Alcohol
Correct answer: Carbohydrates
Carbohydrates are broken down into glucose, which is the preferred and most rapidly available fuel for high-intensity muscular work.
Question 3: What does the Dietary Guidelines for Americans recommend as the daily limit for added sugars?
- Less than 25% of total daily calories
- Less than 10% of total daily calories (Correct answer)
- Less than 5% of total daily calories
- No specific limit is recommended
Correct answer: Less than 10% of total daily calories
The Dietary Guidelines for Americans recommend limiting added sugars to less than 10% of total daily caloric intake.
Question 4: A safety professional notices workers are drowsy after eating at the cafeteria. Which cafeteria change would best address post-meal drowsiness?
- Offering larger portion sizes
- Reducing refined carbohydrates and increasing fiber and protein (Correct answer)
- Adding more dessert options
- Serving meals faster
Correct answer: Reducing refined carbohydrates and increasing fiber and protein
High-glycemic refined carbohydrates cause rapid blood sugar spikes followed by crashes; replacing them with fiber and protein promotes steadier energy levels.
Question 5: Which approach best describes a 'nudge' in a workplace nutrition intervention?
- Prohibiting unhealthy foods entirely
- Fining workers for poor dietary choices
- Placing fruits and vegetables at eye level in the cafeteria (Correct answer)
- Requiring nutrition classes for all employees
Correct answer: Placing fruits and vegetables at eye level in the cafeteria
A nudge subtly changes the environment to make healthier choices easier without restricting freedom, such as positioning healthy foods prominently.
Question 6: Excessive consumption of which mineral is most closely linked to elevated blood pressure in workers?
- Potassium
- Calcium
- Sodium (Correct answer)
- Iron
Correct answer: Sodium
High sodium intake causes the body to retain water, increasing blood volume and blood pressure, raising the risk of hypertension.
Question 7: Which behavioral strategy is most effective for helping workers adopt long-term healthy eating habits?
- Setting strict short-term elimination diets
- Small, incremental changes paired with positive reinforcement (Correct answer)
- Weekly mandatory nutritional audits
- Replacing all meals with supplements
Correct answer: Small, incremental changes paired with positive reinforcement
Small, sustainable changes reinforced with positive feedback are more likely to become permanent habits compared to extreme or restrictive approaches.
A health promotion program wants to reduce obesity-related absenteeism.
Which intervention is most evidence-based?