23. Vitamin Deficiency Flashcards
- loss of sensitivity to green light
- nyctalopia
- xerophthalmia
- blindness
- Keratinization of skin
vit A deficiency
- hemolytic anemia
* nerve and muscle membrane damage
vit E deficiency
hemorrhagic disease in newborns
vit K deficiency
- deficiency of this vitamin causes
- amnesia
- confabulation
- hallucination
korsakoff syndrome –vit B1 thiamine deficiency
Wernicke encephalopathy
vit 1 thiamine deficiency
dry skin,
irritability,
disordered thinking
progressive paralysis
adult beriberi
seborrheic dermatitis
cheilosis
angular stomatitis
desquamation and inflammation of the tongue
vit b2 riboflavin
diarrhea
dermatitis
dementia
pellagra
vit B3 niacin deficiency
possible etiologies of pellagra
corn-based diet
harnup disease
carcinoid syndrome
isoniazid
is an autosomal recessivemetabolic disorder affecting the absorption of nonpolar amino acids (particularly tryptophan that can be, in turn, converted into serotonin, melatonin, and niacin)
Hartnup disease
peripheral nerve damage
nutritional melalgia, or burning food syndrome
vit B5 pantothenic acid
- glossitis and neuropathy
* disordes ofamino acid metabolism
vit B6 pyridoxine
- megaloblastic anemia
* neural tube defects
vit B9
folic acid deficiency
possible causes of folid acid deficiency
inc demand poor intestinal absorption alcoholism folate antagonists folate trap - functional folate deficiency from B 12 deficiency
•pernicious anemia
vit B12 cobalamin deficiency