Nutrition and Vitamins Flashcards
(55 cards)
What is the deficiency associated with Vitamin A (Retinol)?
Colour blindness (retinitis pigmentosa)
Night blindness
Conjunctival bitot’s spots
What are the signs of Vitamin A excess?
Exfoliation, hepatitis
How is Vitamin A deficiency or excess tested?
Serum levels
What is the deficiency associated with Vitamin D (Cholecalciferol)?
Osteomalacia/Rickets
What is the excess effect of Vitamin D?
Hypercalcaemia
How is Vitamin D levels tested?
Serum levels
What is the deficiency associated with Vitamin E (Tocopherol)?
Haemolytic Anaemia
neuropathy : ataxia / areflexia
ischaemic heart disease (IHD)
How is Vitamin E deficiency tested?
Serum levels
What is the deficiency associated with Vitamin K (Phytomenadione)?
Defective clotting
How is Vitamin K deficiency tested?
Prothrombin time (PT)
(3) What are the deficiency effects of Vitamin B1 (Thiamine)?
Beri-Beri: wet (cardiovascular), dry (neurological)
Neuropathy
Wernicke Syndrome
How is Vitamin B1 deficiency tested?
RBC transketolase
activity is reduced in deficiency of thiamine (vitamin B1),
What does the deficiency associated with Vitamin B2 (Riboflavin) cause?
glossitis
Angular stomatitis
Corneal ulceration
How is Vitamin B2 deficiency tested?
RBC glutathione reductase decreases
3) What are the deficiency effects of Vitamin B3 (Niacin)?
Pellagra
(3 Ds: Dementia, Dermatitis, Diarrhoea)
Dermatitis: casal’s necklace
(2) What are the deficiency effects of Vitamin B6 (Pyridoxine)?
Dermatitis
Sideroblastic anaemia
What is the excess effect of Vitamin B6?
Neuropathy
How is Vitamin B6 deficiency tested?
RBC AST activation
(2) What are the deficiency effects of Vitamin B12 (Cobalamin)?
Pernicious anaemia
Subacute combined degeneration of the spinal cord
How is Vitamin B12 deficiency tested?
Serum B12 levels
What is the deficiency associated with Vitamin C (Ascorbate)?
Scurvy
What is the excess effect of Vitamin C?
Renal stones