Vitamins Flashcards

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1
Q

Explain what vitamins are

A

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

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2
Q

In what amounts are vitamins needed

A

Only in tiny amounts

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3
Q

What can vitamins be referred to by

A

By letters or by names based on their chemical structure

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4
Q

Name a water soluble vitamin

A

Vitamin C

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5
Q

What is vitamin C also called

A

Ascorbic acid

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6
Q

Is vitamin C soluble in water?

A

Vitamin C is soluble in water

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7
Q

Name sources of vitamin C

A

Vegetables, fresh fruits, citrus fruits especially

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8
Q

List the metabolic role of vitamin C (4)

A

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.

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9
Q

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

A

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.

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10
Q

Name a fat soluble vitamin

A

Vitamin D

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11
Q

Is vitamin D fat soluble?

A

Vitamin D is fat soluble

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12
Q

What is the most common form of vitamin D called?

A

Calciferol

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13
Q

What are good sources of vitamin D?

A

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

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14
Q

How can vitamin D be made?

A

By the action of ultraviolet rays on chemicals in the skin

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15
Q

Name the metabolic role of vitamin D

A

It helps to absorb calcium from the intestine.

Therefore it is needed for healthy bone and tooth formation

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16
Q

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

A

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