Nutrition Quiz

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| By Haylee

Haylee

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Quizzes Created: 2 | Total Attempts: 4,454

Questions: 10 | Attempts: 2,020 | Updated: Sep 8, 2024

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Are you confident in your ability to make healthy eating choices? Test your understanding and perhaps learn something new with our comprehensive Nutrition Quiz. This quiz is crafted to challenge and expand your knowledge of the essentials of nutrition.

In this quiz, you will tackle questions about various food groups, essential vitamins and minerals, and the fundamentals of a balanced diet. You will explore topics such as which foods are the best sources of energy, how to balance carbohydrates, proteins, and fats in your meals, and the importance of hydration. It's an excellent way to check what you already know Read moreand discover areas where your diet might be lacking.

Nutrition Questions and Answers

1.

Which vitamin is essential for vision and skin health?
- A.
  
  Vitamin C
- B.
  
  Vitamin A
- C.
  
  Vitamin D
- D.
  
  Vitamin E
Correct Answer
B. Vitamin A

Explanation
Vitamin A is essential for vision and skin health because it plays a crucial role in the formation and maintenance of healthy skin, teeth, skeletal and soft tissue, and mucus membranes. It is also vital for photoreception as it produces the pigments in the retina of the eye. Deficiency in Vitamin A can lead to impaired vision, particularly in reduced light (night blindness), and can cause skin issues.

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2.

What is the main function of fiber in the diet?
- A.
  
  To build muscle
- B.
  
  To add flavor
- C.
  
  To aid digestion
- D.
  
  To strengthen bones
Correct Answer
C. To aid digestion

Explanation
Fiber aids digestion by adding bulk to the stool, which helps keep bowel movements regular and can prevent constipation. It also helps to keep the gut healthy and can reduce the risk of digestive conditions like intestinal ulcers, hemorrhoids, and diverticulitis. Furthermore, fiber-rich foods can aid in weight management by making you feel fuller longer.

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3.

Which mineral is crucial for making red blood cells?
- A.
  
  Iron
- B.
  
  Calcium
- C.
  
  Potassium
- D.
  
  Zinc
Correct Answer
A. Iron

Explanation
Iron is crucial for the production of red blood cells, which carry oxygen from the lungs to the rest of the body. It forms part of hemoglobin, the protein in red blood cells that binds to oxygen. Without sufficient iron, the body can't produce enough healthy red blood cells, leading to iron-deficiency anemia, characterized by fatigue and weakness.

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4.

What does a deficiency in Calcium lead to?
- A.
  
  Night blindness
- B.
  
  Scurvy
- C.
  
  Osteoporosis
- D.
  
  Pellagra
Correct Answer
C. Osteoporosis

Explanation
Calcium is vital for maintaining strong bones and teeth. A deficiency in calcium can lead to osteoporosis, a condition where bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D.

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5.

Which food is the best source of Omega-3 fatty acids?
- A.
  
  Olive oil
- B.
  
  Walnuts
- C.
  
  Flaxseeds
- D.
  
  Salmon
Correct Answer
D. Salmon

Explanation
Salmon is an excellent source of Omega-3 fatty acids, essential fats the body can’t make on its own. Omega-3s are crucial for brain function as well as normal growth and development. They have been shown to reduce inflammation and are important for cardiovascular health. Salmon contains more Omega-3s by weight compared to other foods typically high in Omega-3s like flaxseeds or walnuts.

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6.

How many calories are generally in one gram of fat?
- A.
  
  4 calories
- B.
  
  7 calories
- C.
  
  9 calories
- D.
  
  12 calories
Correct Answer
C. 9 calories

Explanation
There are approximately 9 calories in one gram of fat, making it the most calorie-dense macronutrient. This is important for dietary considerations where caloric intake needs to be monitored or adjusted. Fats are essential in the diet for the absorption of vitamins and providing energy, but due to their high caloric content, managing fat intake is crucial for maintaining a balanced diet.

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7.

Which nutrient is most important for muscle repair?
- A.
  
  Carbohydrates
- B.
  
  Fats
- C.
  
  Proteins
- D.
  
  Vitamins
Correct Answer
C. Proteins

Explanation
Proteins are vital for muscle repair as they are the main building blocks of body tissues. They break down into amino acids, which repair muscle damage, support recovery, and contribute to the growth of muscle mass. This is particularly important after exercise or any physical activity that strains muscle tissues.

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8.

What is the recommended dietary approach to reduce hypertension?
- A.
  
  Increase sodium intake
- B.
  
  Decrease potassium intake
- C.
  
  Limit alcohol consumption
- D.
  
  Increase fat consumption
Correct Answer
C. Limit alcohol consumption

Explanation
Limiting alcohol consumption is recommended to reduce hypertension, or high blood pressure. Alcohol can raise blood pressure to unhealthy levels and reducing its intake can have a significant beneficial effect on blood pressure. Moreover, alcohol reduction can also help manage calorie intake and reduce the risk of cardiac problems associated with high blood pressure.

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9.

Which vitamin is necessary to help blood clot?
- A.
  
  Vitamin K
- B.
  
  Vitamin C
- C.
  
  Vitamin B12
- D.
  
  Vitamin D
Correct Answer
A. Vitamin K

Explanation
Vitamin K is necessary for blood clotting. It plays a key role in the activation of proteins and calcium essential in blood clotting. Without sufficient Vitamin K, the body cannot produce prothrombin, a critical blood-clotting factor, which could lead to bleeding problems and poor wound healing.

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10.

What is the glycemic index used to measure?
- A.
  
  The fat level in food
- B.
  
  The protein quality in food
- C.
  
  The blood sugar impact of foods
- D.
  
  The calorie count of food
Correct Answer
C. The blood sugar impact of foods

Explanation
The glycemic index measures the blood sugar impact of foods. It ranks foods based on how much they raise blood glucose levels compared to a reference food. Foods high on the glycemic index, such as white bread, cause rapid spikes in blood sugar, while low glycemic index foods, like whole grains, result in a slower increase in blood sugar. This is valuable for managing diets, especially for people with diabetes.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Sep 08, 2024

Quiz Edited by
ProProfs Editorial Team
Aug 30, 2017

Quiz Created by
Haylee

Nutrition Quiz

Nutrition Questions and Answers

Which vitamin is essential for vision and skin health?

What is the main function of fiber in the diet?

Which mineral is crucial for making red blood cells?

What does a deficiency in Calcium lead to?

Which food is the best source of Omega-3 fatty acids?

How many calories are generally in one gram of fat?

Which nutrient is most important for muscle repair?

What is the recommended dietary approach to reduce hypertension?

Which vitamin is necessary to help blood clot?

What is the glycemic index used to measure?