Vitamins

Question 1

Explain what vitamins are

Answer 1

Vitamins are complex carbon-based substances that the body cannot make

Question 2

In what amounts are vitamins needed

Answer 2

Only in tiny amounts

Question 3

What can vitamins be referred to by

Answer 3

By letters or by names based on their chemical structure

Question 4

Name a water soluble vitamin

Answer 4

Vitamin C

Question 5

What is vitamin C also called

Answer 5

Ascorbic acid

Question 6

Is vitamin C soluble in water?

Answer 6

Vitamin C is soluble in water

Question 7

Name sources of vitamin C

Answer 7

Vegetables, fresh fruits, citrus fruits especially

Question 8

List the metabolic role of vitamin C (4)

Answer 8

Vitamin C is necessary for:
The formation of connective tissue such as skin, gums, cartilage, ligaments and the cells that line the inside of blood vessels.
The growth and maintenance of bones and teeth.
Helping wounds to heal.
Helping the immune system to function properly.

Question 9

Name and explain the following:
Deficiency of vitamin C
Disease:
Symptoms:

Answer 9

Name and explain the following:
Deficiency of vitamin C
Disease: deficiency of vitamin C causes a disease called scurvy.

Symptoms: symptoms of scurvy include poor healing of skin, bleeding under the skin and bleeding gums with loose teeth.

Question 10

Name a fat soluble vitamin

Answer 10

Vitamin D

Question 11

Is vitamin D fat soluble?

Answer 11

Vitamin D is fat soluble

Question 12

What is the most common form of vitamin D called?

Answer 12

Calciferol

Question 13

What are good sources of vitamin D?

Answer 13

Liver, fish oils (cod liver oil), milk, egg yolks.

Question 14

How can vitamin D be made?

Answer 14

By the action of ultraviolet rays on chemicals in the skin

Question 15

Name the metabolic role of vitamin D

Answer 15

It helps to absorb calcium from the intestine.

Therefore it is needed for healthy bone and tooth formation

Question 16

Name and explain the following:
Deficiency of vitamin D
Disease:
Symptoms:

Answer 16

Name and explain the following:
Deficiency of vitamin D
Disease: a deficiency os vitamin D in children results in rickets. The adult equivalent of rickets is called osteomalacia.
Symptoms: symptoms of both are weak, deformed bones that tend to break easily