Water Soluble Vitamins

Question 1

Examples of water soluble vitamins

Answer 1

Vitamin B complex (B1 - B12)
Vitamin C

Question 2

Another name for vitamin B1

Answer 2

Thiamine

Question 3

Active form of Vitamin B1

Answer 3

Thiamine Pyrophosphate (TPP)

Question 4

Functions of vitamin B1

Answer 4

1. Used in energy metabolism
2. Supports the nervous system

Question 5

Sources of Thiamine

Answer 5

Animals - pork, milk, liver, eggs, rumen
Plants - whole grains, yeast, green vegetables

Question 6

The deficiencies of Thiamine

Answer 6

1.Beriberi
2. Warnicke - Korsakoff syndrome
3. Chronic Peripheral Neuritis

Question 7

Characteristics of beriberi

Answer 7

Anorexia
Nervous disorders
Muscle weakness
Edema

Question 8

3 types of beriberi

Answer 8

1. Dry beriberi (adults) - muscle wastage
   2.Wet beriberi (youth) - affects heart and brain
2. Infantile beriberi (infants)

Question 9

Which groups are on the risk to have thiamine deficiency

Answer 9

1. Chronic alcoholics
2. People who consume raw fish and polished rice

Question 10

Why does raw fish and polished rice destroy vitamin B1

Answer 10

They contain active thiaminase enzyme which destroy vitamin B1

Question 11

Another name for Vitamin B2

Answer 11

Riboflavin

Question 12

Name the two active forms of Vitamin B2

Answer 12

1. Flavin mononucleotide (FMN+)
2. Flavin adenine dinucleotide (FAD+)

Question 13

Functions of riboflavin

Answer 13

1. Used in energy metabolism
2. Promotes in healthy skin and vision
3. Necessary in normal embryo development

Question 14

Sources of Vitamin B2

Answer 14

1. Animals - milk, kidney, meat, eggs
2. Plants - whole grains, yeats, green vegetables

Question 15

Deficiency of vitamin B 2

Answer 15

1. Riboflavinosis

Question 16

Characteristics of riboflavinosis

Answer 16

1. Angular stomatitis - lesions at the mouth
2. Cheilosis - swelling of lips
3. Magenta tongue

Question 17

Other deficiencies of riboflavin apart from riboflavinosis

Answer 17

1. Scarly dermatitis
2. Skin disorder
3. Eye problems

Question 18

Other names of Vitamin B3

Answer 18

1. Niacin
2. Nicotinic acid
3. Nicotinamide
4. Niacinamide

Question 19

Active forms of niacin

Answer 19

1. Nicotinamide adenine dinucleotide (NAD)
2. Nicotinamide adenine dinucleotide phosphate (NADP)