UNIT 7 Flashcards
1
Q
fat soluble vitamins
A
- dissolve in fats and require BILE for absorption
2
Q
b-carotene (vA)
A
precursor to vitamin A –> converted into active vitamin A in the body
3
Q
keratin (VA)
A
protein found in hair and nails
4
Q
keratinization
A
keratin clouds cornea from lack of VA
5
Q
xerosis
A
drying of cornea
6
Q
xerophthalmia
A
thickening of the cornea and permanent blindness
7
Q
macular degeneration
A
- lack of b-carotene
- part of retina, the macula, loses integrity and causes impairment of central focus
8
Q
keratin lumps (VA)
A
cell do not mature, instead they die off and secrete keratin
9
Q
vitamin D
A
- cholecalciferol
- maintains bone integrity
10
Q
Erythrocyte hemolysis
A
- infants red blood cells rupture
- vitamin e
- premature infants
11
Q
Vitamin K
A
- help synthesize proteins that help CLOT THE BLOOD
- bone proteins
12
Q
biliruben
A
- vitamin K toxicity
- breakage of red blood cells and release of their pigment
- liver releases this into blood causing jaundice
13
Q
Scurvy
A
- vitamin C deficiency
14
Q
coenzymes
A
- small molecules that combine with enzymes to activate the enzyme
- B vitamins
15
Q
beri beri
A
- thiamin deficiency
- loss of sensation in the hands and feet, muscular weakness, advancing to paralysis and abnormal heart action
