Q. If a meal contains 50 grams of carbohydrates, 20 grams of protein, and 10 grams of fat, what is the total caloric value of the meal? (Carbohydrates = 4 cal/g, Protein = 4 cal/g, Fat = 9 cal/g) (2023)
A.
320 calories
B.
350 calories
C.
370 calories
D.
400 calories
Show solution
Solution
Total calories = (50g * 4) + (20g * 4) + (10g * 9) = 200 + 80 + 90 = 370 calories.
Correct Answer:
C
— 370 calories
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Q. If a person consumes 150 grams of carbohydrates, how many calories does that provide? (Carbohydrates = 4 cal/g) (2023)
A.
500 calories
B.
600 calories
C.
700 calories
D.
800 calories
Show solution
Solution
150g * 4 cal/g = 600 calories.
Correct Answer:
B
— 600 calories
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Q. If a person consumes 1500 calories from carbohydrates, how many grams of carbohydrates did they consume? (Carbohydrates = 4 cal/g) (2023)
A.
300
B.
350
C.
400
D.
450
Show solution
Solution
Grams of carbohydrates = 1500 calories / 4 cal/g = 375 grams.
Correct Answer:
A
— 300
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Q. If a person consumes 2500 calories a day and 30% of those calories come from fats, how many calories are derived from fats?
A.
500 calories
B.
600 calories
C.
700 calories
D.
750 calories
Show solution
Solution
30% of 2500 calories = 0.30 * 2500 = 750 calories.
Correct Answer:
A
— 500 calories
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Q. If a person consumes 2500 calories a day and wants to maintain their weight, how many calories should they consume in a week? (2021)
A.
17500
B.
15000
C.
21000
D.
20000
Show solution
Solution
To maintain weight, the weekly calorie intake should be 2500 calories/day * 7 days = 17500 calories.
Correct Answer:
A
— 17500
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Q. If a person consumes 300 grams of carbohydrates in a day, how many calories does that provide? (Carbohydrates = 4 cal/g)
A.
900 calories
B.
1000 calories
C.
1200 calories
D.
1400 calories
Show solution
Solution
300 grams * 4 calories/gram = 1200 calories.
Correct Answer:
C
— 1200 calories
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Q. If a person consumes 300 grams of carbohydrates in a day, how many calories does that provide? (2023)
A.
1200
B.
1500
C.
1800
D.
2000
Show solution
Solution
Calories from carbohydrates = 300g * 4 cal/g = 1200 calories.
Correct Answer:
A
— 1200
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Q. If a person consumes 300 grams of carbohydrates in a day, what percentage of their total caloric intake (assuming 1 gram of carbohydrate = 4 calories) does this represent if their total intake is 2400 calories? (2020)
A.
40%
B.
50%
C.
60%
D.
70%
Show solution
Solution
Calories from carbohydrates = 300g * 4 = 1200 calories. Percentage = (1200/2400) * 100 = 50%.
Correct Answer:
B
— 50%
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Q. If a person consumes 3000 calories a day and wants to ensure that 25% of their intake is from proteins, how many grams of protein should they consume (1 gram of protein = 4 calories)?
A.
150 grams
B.
200 grams
C.
250 grams
D.
300 grams
Show solution
Solution
25% of 3000 calories = 0.25 * 3000 = 750 calories from proteins. 750 calories / 4 calories per gram = 187.5 grams, rounded to 188 grams.
Correct Answer:
B
— 200 grams
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Q. If a person needs 1500 mg of calcium daily and they consume 300 mg from one serving of yogurt, what percentage of their daily requirement is met by this serving? (2022)
A.
15%
B.
20%
C.
25%
D.
30%
Show solution
Solution
Percentage = (300 mg / 1500 mg) * 100 = 20%.
Correct Answer:
B
— 20%
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Q. If a person needs 2500 calories a day and wants to get 20% of their calories from fats, how many grams of fat should they consume (1 gram of fat = 9 calories)?
A.
55 grams
B.
60 grams
C.
70 grams
D.
75 grams
Show solution
Solution
20% of 2500 calories = 0.20 * 2500 = 500 calories from fats. 500 calories / 9 calories per gram = 55.56 grams, rounded to 56 grams.
Correct Answer:
C
— 70 grams
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Q. If a person needs 300 mg of calcium daily and a glass of milk provides 100 mg, how many glasses of milk must they drink to meet their daily requirement? (2020)
A.
2 glasses
B.
3 glasses
C.
4 glasses
D.
5 glasses
Show solution
Solution
300 mg needed / 100 mg per glass = 3 glasses.
Correct Answer:
B
— 3 glasses
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Q. If a person needs 70 grams of fat per day and each gram of fat provides 9 calories, how many calories should they consume from fat?
A.
490 calories
B.
540 calories
C.
630 calories
D.
700 calories
Show solution
Solution
70 grams * 9 calories/gram = 630 calories.
Correct Answer:
A
— 490 calories
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Q. If a person needs 70 grams of protein per day, how many grams of protein will they need in a week? (2019)
A.
420
B.
490
C.
350
D.
560
Show solution
Solution
Weekly protein requirement = 70 grams/day * 7 days = 490 grams.
Correct Answer:
A
— 420
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Q. If a person requires 2500 calories a day and they want to get 20% of their calories from protein, how many calories should come from protein? (2023)
A.
400 calories
B.
500 calories
C.
600 calories
D.
700 calories
Show solution
Solution
20% of 2500 = 0.20 * 2500 = 500 calories.
Correct Answer:
B
— 500 calories
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Q. If a person requires 2500 calories a day and they want to lose weight, how many calories should they consume to lose 1 pound per week? (1 pound = 3500 calories) (2020)
A.
2000
B.
2200
C.
1800
D.
2400
Show solution
Solution
To lose 1 pound per week, they need to reduce their intake by 500 calories/day. So, 2500 - 500 = 2000 calories.
Correct Answer:
C
— 1800
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Q. What is the caloric value of one gram of fat?
A.
4 calories
B.
7 calories
C.
9 calories
D.
12 calories
Show solution
Solution
One gram of fat provides approximately 9 calories, making it the most energy-dense macronutrient.
Correct Answer:
C
— 9 calories
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Q. What is the main function of dietary fats?
A.
Energy storage
B.
Building muscle
C.
Regulating metabolism
D.
Enhancing immunity
Show solution
Solution
The main function of dietary fats is energy storage, providing 9 calories per gram.
Correct Answer:
A
— Energy storage
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Q. What is the main function of dietary fiber in nutrition?
A.
Energy production
B.
Regulating blood sugar
C.
Promoting digestion
D.
Building muscle
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Solution
Dietary fiber promotes digestion by aiding in the movement of food through the digestive tract.
Correct Answer:
C
— Promoting digestion
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Q. What is the main function of dietary fiber?
A.
Energy production
B.
Building muscle
C.
Digestive health
D.
Hormone regulation
Show solution
Solution
The main function of dietary fiber is to promote digestive health by aiding in bowel regularity.
Correct Answer:
C
— Digestive health
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Q. What is the main function of fats in the diet?
A.
Energy storage
B.
Building muscle
C.
Regulating metabolism
D.
Enhancing immunity
Show solution
Solution
Fats serve as a major source of energy storage in the body, providing 9 calories per gram.
Correct Answer:
A
— Energy storage
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Q. What is the main role of antioxidants in nutrition?
A.
Provide energy
B.
Support immune function
C.
Prevent oxidative stress
D.
Aid digestion
Show solution
Solution
Antioxidants help prevent oxidative stress by neutralizing free radicals in the body.
Correct Answer:
C
— Prevent oxidative stress
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Q. What is the primary function of carbohydrates in the body?
A.
Building tissues
B.
Providing energy
C.
Regulating hormones
D.
Transporting nutrients
Show solution
Solution
The primary function of carbohydrates in the body is to provide energy, especially for the brain and muscles.
Correct Answer:
B
— Providing energy
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Q. What is the primary function of dietary fats?
A.
Energy storage
B.
Building muscle
C.
Regulating metabolism
D.
Enhancing immunity
Show solution
Solution
The primary function of dietary fats is energy storage, providing 9 calories per gram.
Correct Answer:
A
— Energy storage
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Q. What is the primary function of fats in the diet?
A.
Energy storage
B.
Muscle building
C.
Bone health
D.
Immune function
Show solution
Solution
Fats primarily serve as energy storage, providing 9 calories per gram.
Correct Answer:
A
— Energy storage
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Q. What is the primary source of energy in a balanced diet?
A.
Proteins
B.
Carbohydrates
C.
Fats
D.
Vitamins
Show solution
Solution
Carbohydrates are the primary source of energy in a balanced diet, providing 4 calories per gram.
Correct Answer:
B
— Carbohydrates
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Q. What is the recommended daily intake of fiber for adults?
A.
10-15 grams
B.
20-25 grams
C.
25-30 grams
D.
30-35 grams
Show solution
Solution
The recommended daily intake of fiber for adults is 25-30 grams to maintain digestive health.
Correct Answer:
C
— 25-30 grams
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Q. What is the recommended daily intake of fruits and vegetables for a healthy diet?
A.
1-2 servings
B.
3-5 servings
C.
5-7 servings
D.
7-10 servings
Show solution
Solution
The recommended daily intake is 5-7 servings of fruits and vegetables for optimal health.
Correct Answer:
B
— 3-5 servings
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Q. What is the recommended daily intake of fruits and vegetables for adults?
A.
1-2 servings
B.
3-5 servings
C.
5-7 servings
D.
7-10 servings
Show solution
Solution
The recommended daily intake of fruits and vegetables for adults is 5-7 servings to ensure adequate nutrient intake.
Correct Answer:
B
— 3-5 servings
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Q. What is the recommended daily intake of protein for an average adult? (2019)
A.
30 grams
B.
50 grams
C.
70 grams
D.
100 grams
Show solution
Solution
The recommended daily intake of protein for an average adult is about 50 grams.
Correct Answer:
B
— 50 grams
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