Flashcards in Nutrition High Yield Deck (44):
Riboflavin (FAD/ FMN)
What are the 3 general symptoms of a b complex deficiency?
What vitamin is necessary for normal differentiation of epithelial cells into specialized tissue?
What are 3 symptoms of vit A deficiency?
Dry/ scaly skin
What birth defect can vit A cause?
cleft palate, cardiac abnormalities
What is vit B1 a cofactor for?
1- Pyruvate dehydrogenase
2- alpha- ketogluterate dehydrogenase
3- Transketolase (HMP shunt)
4- Branched chain ketoacid dehydrogenase
What can exacerbate a B1 deficiency?
glucose! because TCA enzymes can't work
What vitamin is a component of FAD and FMN?
What are the 2 symtpoms of B2 deficiency?
2- Corneal vascularization
How many ATP is derived from B2?
How many ATP are derived from B3?
What are the symptoms of B3 deficiency?
2- Pellagra (in Hartnup disease)--> diarrhea dementia and dermatitis
What are the symptoms of B3 excess?
Flushing, hyperglycemia and hyper uricemia
Which enzyme is an essential component of coA?
Vit B5 (pantothenic acid
WHat are the symptoms of B5 deficnency?
dermatitis, enteriits, alopencia and adrenal insufficiency
Wheat vitamin is used in transamination reactions, decarboxylation reactions, glycogen phosphoryalase?
What are the symptoms associated with vit B6 deficiency?
convusions, irritability, peripheral neuropathy sideroblastic anemia
What vitamin is needed for carboxylase reactions?
Eating too much of what can lead to biotin deficiency?
What vitamin is needed for 1 carbon transfer/ methylation reactions?
"macrocytic. megaloblastic anemia with hypersegmented PMNs and NO neuro symptoms"
Folate (B9) deficiency
Which deficiency has increased homocystein but normal methylmalonic acid?
Which deficieny has increaed homocysteine and methylmalonic acid?
What is the cofactor for homocystein methyltarnsferase? And methylmalonyl-CoA mutase?
"antioxidant that faciliates Fe absorption and is necessary for hydroxylation of proline and lysine in collagen"
vit C deficiency
What enzyme supplemenation should breast fed infants recieve?
"antioxidant that protects RBCs and membranes from free radical damage"
What are the symptoms of vit E deficiency??
Hemplytic anemia, acanthocytosis, posterior column and spinocerebellar tract demyelination
"cofactor for the gamma carboxylation of glutamic acid resideus on proteins needed for blood clotting"
What are the symptoms of zinc deficiency?
delayed wound healing
decreased adult hair
predispose to alcoholic cirrhosis
total calorie malnutrition?
What inhibits alcohol dehydrogenase?
What inhibits acetaldehyde denydrogenase?
Ethanol metabolism has an increased ratio of what?