CNC Dietary Planning & Nutritional Guidelines 2 — Questions and Answers
Question 1: According to the Dietary Guidelines for Americans, what percentage of total daily calories should come from added sugars?
- Less than 5%
- Less than 10% (Correct answer)
- Less than 15%
- Less than 20%
Correct answer: Less than 10%
The Dietary Guidelines for Americans recommend limiting added sugars to less than 10% of total daily caloric intake.
Question 2: A client following a 2,000-calorie diet needs to calculate their recommended daily fiber intake. What is the general guideline in grams per 1,000 calories?
- 7 grams
- 10 grams
- 14 grams (Correct answer)
- 20 grams
Correct answer: 14 grams
The recommended fiber intake is 14 grams per 1,000 calories consumed, equating to 28 grams for a 2,000-calorie diet.
Question 3: Which meal timing strategy involves compressing all daily food intake into a 8–10 hour window?
- Alternate-day fasting
- 5:2 intermittent fasting
- Time-restricted eating (Correct answer)
- Prolonged fasting
Correct answer: Time-restricted eating
Time-restricted eating (TRE) limits food consumption to a defined daily window, commonly 8–10 hours, aligning intake with circadian rhythms.
Question 4: When planning a diet for a lacto-ovo vegetarian, which nutrient requires the most careful attention to ensure adequate intake?
- Vitamin C
- Vitamin B12 (Correct answer)
- Folate
- Potassium
Correct answer: Vitamin B12
Vitamin B12 is found almost exclusively in animal products, and lacto-ovo vegetarians may have lower intake despite consuming dairy and eggs.
Question 5: The MyPlate model recommends that half of each meal plate consist of which food group combination?
- Grains and protein
- Fruits and vegetables (Correct answer)
- Dairy and grains
- Protein and vegetables
Correct answer: Fruits and vegetables
MyPlate recommends filling half the plate with fruits and vegetables to promote micronutrient density and fiber intake.
Question 6: A nutrition coach is working with a client who has hypertension. Which dietary pattern is most evidence-based for managing blood pressure?
- Ketogenic diet
- DASH diet (Correct answer)
- Carnivore diet
- Raw food diet
Correct answer: DASH diet
The DASH (Dietary Approaches to Stop Hypertension) diet is clinically validated to reduce blood pressure by emphasizing fruits, vegetables, whole grains, and low-fat dairy.
Question 7: What is the primary purpose of establishing a Tolerable Upper Intake Level (UL) for nutrients?
- To set the minimum amount needed to prevent deficiency
- To define the average requirement for a population group
- To indicate the maximum daily intake unlikely to cause adverse effects (Correct answer)
- To recommend the ideal intake for optimal health
Correct answer: To indicate the maximum daily intake unlikely to cause adverse effects
The Tolerable Upper Intake Level (UL) defines the highest daily intake amount that is unlikely to pose health risks for most healthy individuals.
According to the Dietary Guidelines for Americans, what percentage of total daily calories should come from added sugars?