Nutrition Flashcards
Vitamin B1
Thiamine. *ALL dehydrogenase rxns require thiamine as a cofactor.
describe thiamine deficiency
cannot convert pyruvate into acetyl coa–> can’t make citrate –> can’t continue down TCA–> LESS ATP. ATP DEPLETION. common symptoms are wernickes korsakoff and beri beri
Pt in ER is given 5% dextrose with normal saline; all of a sudden pt develops confusion, nystagmus, ataxia, and opthalmaplegia. What happend?
pt had thiamine deficiency which is necessary for metabolism of glucose. Giving IV glucose with a thiamine def can worsen the deficiency and cause Wernicke encephalopathy. give IV thiamine with IV glucose.
B2
Riboflavin involved in all rxns with FAD/FMN.
B6
pyridoxine. production of Hb and heme proteins. production of NT’s. talking about microcytic anemia.
name vitamins for B1, B2, B3, B6
thiamine, riboflavin, niacin, pyridoxine.
B3
Niacin. involved in NAD/NADP rxns including pyruvate–> acteyl coa. Deficiency: dermititis, pellagra. Also known as a lipid lowering drug.