Biology ยท General Awareness
Human Health and Nutrition
1,248 Questions
Human Health and Nutrition focuses on dietary requirements, daily intake recommendations, and the physiological effects of various nutrients. It includes topics such as water consumption, fiber intake, and allergies. These questions are vital for the biology and general science sections of multiple competitive exams.
Recommended Daily IntakeMacronutrient ContentVitamin RequirementsFood AllergiesDigestive HealthHydration Guidelines
Human Health and Nutrition Questions
What is the recommended daily intake of iron for pregnant women?
A
Correct answer
Explanation
The recommended daily intake of iron for pregnant women is 27 mg.
What is the recommended daily intake of vitamin A for adults?
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400 IU
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800 IU
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1,200 IU
-
1,600 IU
B
Correct answer
Explanation
The recommended daily intake of vitamin A for adults is 800 IU. Vitamin A is important for maintaining healthy vision and preventing night blindness.
What is the recommended daily intake of omega-3 fatty acids for adults?
-
1,000 mg
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2,000 mg
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3,000 mg
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4,000 mg
B
Correct answer
Explanation
The recommended daily intake of omega-3 fatty acids for adults is 2,000 mg. Omega-3 fatty acids are important for maintaining healthy vision and preventing dry eye syndrome.
What is the recommended daily intake of lutein and zeaxanthin for adults?
B
Correct answer
Explanation
The recommended daily intake of lutein and zeaxanthin for adults is 12 mg. Lutein and zeaxanthin are important for protecting the eyes from harmful blue light and preventing macular degeneration.
What is the recommended daily intake of vitamin C for adults?
-
65 mg
-
125 mg
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200 mg
-
250 mg
C
Correct answer
Explanation
The recommended daily intake of vitamin C for adults is 200 mg. Vitamin C is important for maintaining healthy blood vessels in the eyes and preventing cataracts.
Which of the following is a recommended daily intake of fruits and vegetables for men?
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2 cups of fruits and 2 cups of vegetables
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3 cups of fruits and 3 cups of vegetables
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4 cups of fruits and 4 cups of vegetables
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5 cups of fruits and 5 cups of vegetables
C
Correct answer
Explanation
The recommended daily intake of fruits and vegetables for men is 4 cups of fruits and 4 cups of vegetables.
What is the recommended daily intake of fruits and vegetables for young adults?
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1-2 servings
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3-4 servings
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5-9 servings
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10-12 servings
C
Correct answer
Explanation
The recommended daily intake of fruits and vegetables for young adults is 5-9 servings.
What is the recommended serving size of fish per week for adults?
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8 ounces
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12 ounces
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16 ounces
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20 ounces
A
Correct answer
Explanation
The recommended serving size of fish per week for adults is 8 ounces, according to the Dietary Guidelines for Americans.
What is the recommended blood pressure level for adults?
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120/80 mmHg or lower
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130/90 mmHg or lower
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140/100 mmHg or lower
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150/110 mmHg or lower
A
Correct answer
Explanation
The recommended blood pressure level for adults is 120/80 mmHg or lower. Blood pressure readings above these levels are considered high blood pressure.
What is the recommended daily sodium intake for middle-aged individuals with high blood pressure?
-
2,300 mg
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1,500 mg
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1,000 mg
-
500 mg
B
Correct answer
Explanation
The recommended daily sodium intake for middle-aged individuals with high blood pressure is 1,500 mg. Reducing sodium intake can help lower blood pressure.
What is the recommended daily intake of fruits and vegetables for middle-aged adults?
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2-3 servings of fruits and 3-4 servings of vegetables
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4-5 servings of fruits and 5-6 servings of vegetables
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6-7 servings of fruits and 7-8 servings of vegetables
-
8-9 servings of fruits and 9-10 servings of vegetables
B
Correct answer
Explanation
Middle-aged adults are recommended to consume 4-5 servings of fruits and 5-6 servings of vegetables daily for optimal health.
What is the recommended daily intake of water for maintaining healthy skin?
-
6-8 glasses
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4-6 glasses
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2-3 glasses
-
1-2 glasses
A
Correct answer
Explanation
Drinking 6-8 glasses of water per day is recommended for maintaining healthy skin.
What is the recommended daily intake of protein for athletes?
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0.8-1.0 grams per kilogram of body weight
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1.2-1.7 grams per kilogram of body weight
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1.8-2.0 grams per kilogram of body weight
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2.2-2.5 grams per kilogram of body weight
B
Correct answer
Explanation
Athletes need more protein than sedentary individuals to support muscle growth and repair.
What is the recommended daily intake of water for athletes?
-
2-3 liters
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3-4 liters
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4-5 liters
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5-6 liters
B
Correct answer
Explanation
Athletes need to drink more water than sedentary individuals to stay hydrated and support their performance.
What is the minimum amount of water a person needs per day to survive?
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1 liter
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2 liters
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3 liters
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4 liters
B
Correct answer
Explanation
A person needs at least 2 liters of water per day to survive.