Week 9 and 10

Question 1

Name the water-soluble vitamins

Answer 1

B1: Thiamin 
B2: Riboflavin 
B3: Niacin 
B5: Pantothenic acid 
B6: Pyridoxine 
B7: Biotin 
B9: Folate 
B12: Cobalamin 
Choline 
Vitamin C Ascorbic acid

Question 2

B1: thiamin coenzyme

Answer 2

TPP

Question 3

B1: thiamin Deficiency

Answer 3

Berri Beri

Wernicke-korakoff Syndrome

Question 4

B1: thiamin function

Answer 4

• coenzyme in carbohydrate metabolism and energy release

- decarboxylation reactions

Question 5

B1: thiamin absorption

Answer 5

• In Small intestine

- Via sodium-dependent active or passive absorption

Question 6

B1: thiamin Transport

Answer 6

Transported by red blood cells as TPP

Question 7

B1: thiamin converted to the active form by

Answer 7

adding two phosphate groups

Question 8

B1: thiamin rich food source

Answer 8

Meat

Question 9

B2: Riboflavin coenzyme

Answer 9

FMN and FAD

Question 10

B2: Riboflavin Deficiency

Answer 10

Glossitis
- inflammation of mouth and tongue
Angular stomatitis
-cracks corner of the mouth

Question 11

B2: Riboflavin function

Answer 11

co-enzyme in numerous oxidation-reduction reactions including those of energy release

Question 12

B2: Riboflavin absorption

Answer 12

HCl in the stomach releases B2 bound to dietary compounds

free riboflavin absorbed via active transport or diffusion depending on the concentration

Question 13

B2: Riboflavin transport

Answer 13

via protein carriers in the blood

Question 14

B2: Riboflavin rich food source

Answer 14

dairy milk products

Question 15

B3: Niacin coenzyme

Answer 15

NAD/ NADP

Question 16

B3: Niacin Deficiency

Answer 16

Pellagra

• 4D’s
• dermatitis, diarrhea, demintia and death
• red rash

Question 17

B3: Niacin function

Answer 17

coenzyme in numerous oxidation-reduction reaction in energy metabolism, synthesis, and breakdown of fatty acids

Question 18

B3: Niacin toxicity

Answer 18

from fortified foods only: leads to flushing of the skin

Question 19

B3: Niacin absorption

Answer 19

in the stomach but mainly small intestines via active transport and passive diffusion depending on the concentration available

Question 20

B3: Niacin food source

Answer 20

Chicken