Diet Balanced Diet 5 — Questions and Answers
Question 1: Which vitamin requires fat to be properly absorbed in the body?
- Vitamin C
- Vitamin B6
- Vitamin D (Correct answer)
- Vitamin B12
Correct answer: Vitamin D
Vitamin D is fat-soluble and requires dietary fat for proper absorption in the digestive tract.
Question 2: What is the primary benefit of eating a variety of colorful fruits and vegetables?
- Higher caloric intake
- Wider range of phytonutrients and vitamins (Correct answer)
- More protein per serving
- Reduced fiber intake
Correct answer: Wider range of phytonutrients and vitamins
Different colors in fruits and vegetables indicate different phytonutrients and vitamins, so variety ensures a broader spectrum of nutrients.
Question 3: How much water should most adults drink daily according to common US health recommendations?
- 4 cups (1 liter)
- 8 cups (about 2 liters) (Correct answer)
- 16 cups (4 liters)
- 2 cups (0.5 liters)
Correct answer: 8 cups (about 2 liters)
A commonly cited guideline is about 8 cups (roughly 2 liters) of water per day, though actual needs vary by individual.
Question 4: What is the glycemic index (GI) used to measure?
- Total calorie content of a food
- How quickly a food raises blood sugar levels (Correct answer)
- The amount of sugar in a food
- Fat content relative to carbohydrates
Correct answer: How quickly a food raises blood sugar levels
The glycemic index ranks foods on a scale of 0-100 based on how quickly they raise blood glucose levels after eating.
Question 5: Which nutrient plays the most critical role in maintaining fluid balance in the body?
- Calcium
- Iron
- Sodium (Correct answer)
- Zinc
Correct answer: Sodium
Sodium is the primary electrolyte regulating fluid balance, blood pressure, and nerve function in the body.
Question 6: A diet rich in which type of fat is associated with raising HDL (good) cholesterol?
- Trans fats
- Saturated fats
- Unsaturated fats (Correct answer)
- Hydrogenated fats
Correct answer: Unsaturated fats
Unsaturated fats, especially polyunsaturated and monounsaturated fats, can raise HDL cholesterol and support cardiovascular health.
Question 7: Which of the following best describes a 'discretionary calorie'?
- Calories from whole grains
- Calories remaining after meeting all nutrient needs (Correct answer)
- Calories burned during exercise
- Calories from protein-rich foods
Correct answer: Calories remaining after meeting all nutrient needs
Discretionary calories are those left over after consuming enough nutrient-dense foods to meet all daily nutritional requirements.
Which vitamin requires fat to be properly absorbed in the body?