Vitamin Deficiency Flashcards
Vitamin A
- chemical name
- deficiency symptoms
Vitamin A
Chemical name: retinoids
Symptoms of deficiency: night blindness
Vitamin B1
- chemical name
- deficiency symptoms
Vitamin B1
Chemical name: Thiamine
Deficiency → Beriberi:
- polyneuropathy
- Wernicke-Korsakoff syndrome
- heart failure
Vitamin B3
- chemical name
- deficiency symptoms
Vitamin B3
Chemical name: Niacin
Deficiency → Pellagra:
- dermatitis
- diarrhoea
- dementia
Vitamin B6
- chemical name
- deficiency symptoms
Vitamin B6
Chemical name: Pyridoxine
Deficiency: seizures, anaemia, irritability
Vitamin B7
- chemical name
- deficiency symptoms
Vitamin B7
Chemical name: Biotin
Deficiency:
- dermatitis
- seborrhoea (excessive discharge of sebum from seborrhoeic glands)
Vitamin B9
- chemical name
- deficiency symptoms
Vitamin B9
Chemical name: folic acid
Deficiency:
- megaloblastic anaemia
- neural tube defects (if deficiency during pregnancy)
Vitamin B12
- chemical name
- deficiency
Vitamin B12
Chemical name: cyanocobalamin
Deficiency:
- megaloblastic anaemia
- peripheral neuropathy
Vitamin C
- chemical name
- deficiency
Vitamin C
chemical name: ascorbic acid
deficiency → scurvy
- gingivitis
- bleeding
Vitamin D
- chemical names (2)
- deficiency
Vitamin D
chemical names: ergocalciferol, cholecalciferol
deficiency: rickets, osteomalacia
Vitamin E
- chemical names (2)
- deficiency
Vitamin E
chemical names: Tocopherol, tocotrienol
deficiency:
- mild haemolytic anaemia in newborn infants
- ataxia
- peripheral neuropathy
Vitamin K
- chemical name
- deficiency
Vitamin K
chemical name: Naphthoquinone
deficiency:
- haemorrhagic disease of the newborn
- bleeding diathesis*
* bleeding diathesis → susceptibility to bleed (hemorrhage) mostly due to hypocoagulability (a condition of irregular and slow blood clotting), in turn caused by a coagulopathy (a defect in the system of coagulation)
