Vitamins

Question 1

Q: What are vitamins?

Answer 1

A: Vitamins are organic compounds required in small amounts for normal metabolism and health. They cannot be synthesized by the body and must be obtained through diet.

Question 2

Q: How are vitamins classified?

Answer 2

A: Vitamins are classified into two main groups: fat-soluble (A, D, E, K) and water-soluble (B-complex and C).

Question 3

Q: What are fat-soluble vitamins, and how are they stored?

Answer 3

A: Fat-soluble vitamins (A, D, E, K) are stored in the liver and fatty tissues. They are absorbed along with fats in the diet and are not easily excreted from the body.

Question 4

Q: What are water-soluble vitamins, and how are they absorbed?

Answer 4

A: Water-soluble vitamins (B-complex and C) are not stored in the body in significant amounts. They need to be consumed regularly and are excreted in urine.

Question 5

Q: What are the functions of Vitamin A?

Answer 5

A: Vitamin A is essential for vision, immune function, and skin health.

Question 6

Q: What is the primary deficiency disease associated with Vitamin A?

Answer 6

A: Night blindness and xerophthalmia are common diseases associated with Vitamin A deficiency.

Question 7

Q: What are the food sources of Vitamin A?

Answer 7

A: Liver, fish oils, milk, eggs, and orange or green vegetables such as carrots and spinach.

Question 8

Q: What is the role of Vitamin D in the body?

Answer 8

A: Vitamin D is important for calcium absorption, bone health, and immune function.

Question 9

Q: What can result from a deficiency in Vitamin D?

Answer 9

A: Rickets in children and osteomalacia in adults.

Question 10

Q: What are the sources of Vitamin D?

Answer 10

A: Sunlight exposure, fortified dairy products, fish liver oils, and egg yolk.

Question 11

Q: What is the function of Vitamin E?

Answer 11

A: Vitamin E acts as an antioxidant, protecting cells from oxidative stress.

Question 12

Q: What are common sources of Vitamin E?

Answer 12

A: Nuts, seeds, spinach, and vegetable oils.

Question 13

Q: What is the role of Vitamin K in the body?

Answer 13

A: Vitamin K is essential for blood clotting and bone metabolism.

Question 14

Q: What happens if someone is deficient in Vitamin K?

Answer 14

A: A deficiency in Vitamin K can lead to excessive bleeding and impaired blood clotting.

Question 15

Q: What are the major dietary sources of Vitamin K?

Answer 15

A: Green leafy vegetables, broccoli, and fermented foods.

Question 16

Q: What is the function of Vitamin C (Ascorbic Acid)?

Answer 16

A: Vitamin C is important for collagen synthesis, antioxidant protection, and immune defense.

Question 17

Q: What is a major deficiency disease related to Vitamin C?

Answer 17

A: Scurvy, which causes bleeding gums, bruising, and poor wound healing.

Question 18

Q: What is the role of B-complex vitamins in general?

Answer 18

A: B-complex vitamins help with energy production, DNA repair, and maintaining nerve function.

Question 19

Q: What is the function of Vitamin B1 (Thiamine)?

Answer 19

A: Thiamine is crucial for glucose metabolism and nerve function.

Question 20

Q: What condition can result from a deficiency in Vitamin B1 (Thiamine)?

Answer 20

A: Beriberi, which can affect the cardiovascular and nervous systems.

Question 21

Q: What are common food sources of Vitamin B1?

Answer 21

A: Whole grains, legumes, and pork.

Question 22

Q: What is the role of Vitamin B2 (Riboflavin)?

Answer 22

A: Riboflavin is important for energy production and maintaining skin and eye health.

Question 23

Q: What deficiency disease is associated with Vitamin B2?

Answer 23

A: Ariboflavinosis, which can cause mouth sores, sore throat, and skin inflammation.

Question 24

Q: What foods are high in Vitamin B2?

Answer 24

A: Dairy products, eggs, lean meats, and green vegetables.

Question 25

Q: What is the function of Vitamin B3 (Niacin)?

Answer 25

A: Vitamin B3 helps convert nutrients into energy and is important for DNA repair and skin health.

Question 26

Q: What disease is caused by a deficiency in Vitamin B3 (Niacin)?

Answer 26

A: Pellagra, characterized by diarrhea, dermatitis, and dementia.

Question 27

Q: What are common sources of Vitamin B3?

Answer 27

A: Meat, fish, poultry, fortified cereals, and peanuts.

Question 28

Q: What is the function of Vitamin B5 (Pantothenic Acid)?

Answer 28

A: Vitamin B5 is involved in the synthesis of coenzyme A, essential for fatty acid metabolism and energy production.

Question 29

Q: What is the role of Vitamin B6 (Pyridoxine)?

Answer 29

A: Vitamin B6 is important for amino acid metabolism, neurotransmitter synthesis, and immune function.

Question 30

Q: What is the function of Vitamin B7 (Biotin)?

Answer 30

A: Biotin is essential for fatty acid synthesis, glucose metabolism, and maintaining healthy hair, skin, and nails.

Question 31

Q: What is the role of Vitamin B9 (Folate)?

Answer 31

A: Folate is crucial for DNA synthesis, red blood cell formation, and preventing neural tube defects during pregnancy.

Question 32

Q: What condition results from a deficiency in Folate?

Answer 32

A: Megaloblastic anemia and birth defects like spina bifida in newborns.

Question 33

Q: Can Vitamin E help prevent heart disease?

Answer 33

A: Vitamin E, as an antioxidant, may help reduce the oxidation of LDL cholesterol, which is linked to the development of heart disease.

Question 34

What are water soluble vitamins and must be consumed on a regular basis

Answer 34

Vitamin C, folate, Vitamin B3

Question 35

Which vitamin is an antioxidant

Answer 35

Vitamin E