water soluble vitamin - vit c

Question 1

ascorbic acid

Answer 1

Most animals can synthesize their own
vitamin c within its liver except for humans,
primates, fish and guinea pigs

Question 2

absoprition

Answer 2

Primarily by active transport and passive
diffusion in the small intestine

Question 3

transportation and storage

Answer 3

 Transported in the plasma in reduced form
 Cells uptake via a glucose transporter and a
specific active transport system
 System: move dehydroascorbic acid into cells
and reduced to ascorbate
 Transporter: stimulated by insulin
 Storage: Adrenal, brain, eye

Question 4

functions

Answer 4

 Collagen Formation
 Antioxidant Activity
 Facilitate Iron Absorption
 Synthesis of Vital Cell Compounds
 Immune System Function

Question 5

toxicity

Answer 5

Gastrointestinal discomfort
Diarrhoea
Abdominal cramp
Kidney stone

Question 6

deficiencies of vit c

Answer 6

scurvy ,Most frequently seen in older, malnourished adults

Question 7

scurvy

Answer 7

 Bleeding gum
 Tiredness
 Muscle weakness
 Impaired wound healing

Question 8

vit c and wound healing

Answer 8

 As a cofactor during hydroxylation of proline
residues in collagen
 Maintenance of normal connective tissue