FNDH 620 Exam 3 UPDATED Exam Questions and CORRECT Answers only
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Course
FNDH 620
Institution
FNDH 620
FNDH 620 Exam 3 UPDATED Exam
Questions and CORRECT Answers only
vitamin A deficiencies - CORRECT Answer- night blindness, inability of implantation of egg
in females, embryo may be low midgestation, needed for placenta development, birth defects
may occur
fat soluble vitamins - CORRECT Answ...
FNDH 620 Exam 3 UPDATED Exam
Questions and CORRECT Answers only
vitamin A deficiencies - CORRECT Answer- night blindness, inability of implantation of egg
in females, embryo may be low midgestation, needed for placenta development, birth defects
may occur
fat soluble vitamins - CORRECT Answer- A, D, E, K
forms of vitamin A - CORRECT Answer- retinol (alcohol form)
retinal (aldehyde form)
retinoic acid (acid form from retinal)
retinal esters - CORRECT Answer- animal products only
vitamin A dietary sources - CORRECT Answer- fortified milk and milk products
previtamin A carotenoid dietary sources - CORRECT Answer- plant sources, orange and dark
green vegetables
90% of vitamin A is stored in the - CORRECT Answer- liver
functions of vitamin A and caratenoids - CORRECT Answer- improves vision, cell
differentiation and cell proliferative activity, fights cancer, development of embryo tissue,
synthesis of glycoproteins, productive processes, antioxidant capacity, bone development and
maintenance, provides immunity
transportation of vitamin D - CORRECT Answer- incorporated into micelles and enters
mucosal enterocytes by passive diffusion, then becomes part of chylomicrons and then lymph
circulation
functions of vitamin D - CORRECT Answer- regulation of gene expression, affects calcium
& phosphate homeostasis, differentiation of stem cells in bone tissue, differentiation of hair
follicles & skin cells
rickets disease - CORRECT Answer- vitamin D deficiency, failure of growing bones to
mineralize properly, results in bowing of legs
osteomalacia - CORRECT Answer- vitamin D deficiency in adults, results in softening of
minerals in bones from decreased calcium & phosphate absorption
vitamin E - CORRECT Answer- tocopherols and tocotrienols
what form of vitamin E is most prevalent - CORRECT Answer- a-tocopherol
food sources of vitamin E - CORRECT Answer- plant oils, oil-derived products, wheat germ
and oils and nuts, some fruits and vegetables, meat & fish
functions of vitamin E - CORRECT Answer- -acts as antioxidant for cell membrane integrity
-may exert influence on gene expression
-may decrease heart disease through decreased development of atherosclerotic plaque
-may decrease dementia
symptoms of vitamin E deficiency - CORRECT Answer- -destruction of RBC membranes
-degeneration of neuronal & muscular membranes
-retinal degeneration
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