UF HUN2201 Vitamins & Minerals Exam
Questions With Correct Answers
Thiamin chemical form - answer✔✔- vitamin B1; thiamin pyrophosphate (TPP)
Riboflavin chemical form - answer✔✔FAD
(fluorescent yellow in color)
Niacin chemical form - answer✔✔NAD; nicotinic acid
Vitamin B6 chemical form - answer✔✔Pyroxial phosphate (PLP)
Vitamin B12 chemical form - answer✔✔methylcyanocobalamine
Folate chemical form - answer✔✔Methyl tetrahydrafolate (Methyl-THF)
Vitamin C chemical form - answer✔✔Ascorbic acid
Vitamin A chemical form - answer✔✔retinol; retinoic acid
(orange/red pigment)
Vitamin D chemical form - answer✔✔ergocalciferol (plants); cholecalciferol (animals); calcidol
(circulating form); calcitrol (active form)
Vitamin E chemical form - answer✔✔Tocopherol
Calcium chemical form - answer✔✔Supplemental forms: calcium citrate malate (CCM), calcium
citrate, & calcium carbonate; Form of calcium in 90% of the body: calcium hydroxapatite
Iron chemical form - answer✔✔Heme iron (animals); non-heme iron (plants)
Thiamin function(s) - answer✔✔Coenzyme in energy yielding reactions such as glycolysis
(glucose metabolism)
Riboflavin function(s) - answer✔✔Coenzyme in citric acid cycle as electron carrier; FADH
transports H+ ions to ETC
, THEBRIGHT EXAM SOLUTIONS 8/20/2024 8:37 PM
Niacin function(s) - answer✔✔Coenzyme in citric acid cycle as electron carrier; NADH
transports H+ ions to ETC; DNA repair
Vitamin C function(s) - answer✔✔Antioxidant (works closely with vitamin E by giving it an
electron); iron metabolism (gives iron an electron to change it to Fe2+, ferrous state)
Vitamin A function(s) - answer✔✔Transported in lipoproteins; needed for vision, immune
system, & growth; antioxidant
Vitamin D function(s) - answer✔✔7-dehydrocholesterol in the skin, released as cholecalciferol
in sunlight, liver hydroxilates it to be circulating form (calcidol); low calcium in the blood causes
PTH to travel to kidney which hydroxylates it to be active form (calcitrol); functions = calcium
absorption & bone materialization
Vitamin E function(s) - answer✔✔Important in cell membranes (stops free radicals from stealing
electrons from cell membranes by getting electrons from vitamin C & giving it to the free
radicals); antioxidant; important in the lungs
Vitamin K function(s) - answer✔✔Blood clotting (activation of clotting factors); bone proteins
Calcium function(s) - answer✔✔Makes bones hard; second messenger for heart contraction;
resistance factor in BP
Magnesium function(s) - answer✔✔Helps maintain normal nerve & muscle function; supports
immune system; bone strength; helps regulate blood glucose levels
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