notes that I didn't know- quick review Flashcards
transporter of fat solube vitamins
via protein
transporter of water soluble vitamins
via plasma
non pro vit A is ____
carotenoids
breakdown of B carotene in the S.I via ____ enzyme
B-carotene dioxygenase
Night blindness is a deficiency of _____
11 cis retinal
Vit A deficiency will deplete ___ in the retina
retinyl ester
Retinal is bound to ____ and needs the mineral ___ to bind
bound to RENTINAL BINDING PROTEIN
need: Zn+
fxn of retinoic acid
differentiation of cells in cornea and conjunctiva
2 supp forms of Vit A
Retinyl palmitate
retinyl acetate
Rhodopsin = ____ + ____
11 cis retinal + opsin
An insufficient intake of Vit A will cause ____
Protein NRG malnutrition (PEM)
3 sx of Deficiency of Vit A
xeropthalmia
keratinization (toad skin)
follicular hyperkeratosis
Excess Vit A will cause ___ in fetal development
hydroencephalitis
Name the castcade of VitD3 formation
7-dehydrocholesterol –> cholecalciferol –> (liver) 25- hydroxy. –> (BAF- kidney) 1,25 (OH)2D
Vit D BAF
1,25 (OH)2D