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VITAMINS > B VITS > Flashcards

B VITS Flashcards

1
Q

Functions of THIAMIN:

A
  • Maintains brain function
  • Helps to convert carbs/fat into energy
  • Keeps nervous system healthy
  • Assists heart/muscles/digestive system function
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2
Q

Sources of THIAMIN:

A
  • Milk
  • Cheese
  • Spinach
  • Lean meat
  • Rice (fortified)
  • Flour (fortified)
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3
Q

Excess of THIAMIN:

A
  • Excreted in urine

- Long term overdose = HYPERTHYROIDISM

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4
Q

Deficiency of THIAMIN:

A
  • Memory loss
  • Enlargement of the heart
  • Nerve damage
  • Confusion
  • Headaches
  • Tiredness
    BERI - BERI =Wet beriberi affects the heart and circulatory system. Dry beriberi damages the nerves and can lead to decreased muscle strength and muscle paralysis.
    KORSAKOFF SYNDROME = a chronic memory disorder due to B1 deficiency - most commonly caused by alcohol misuse
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5
Q

Functions of RIBOFLAVIN:

A
  • Production of RBC’s & hormones
  • Keeps healthy SKIN/ EYES/ MUCUS MEMBRANE/ NERVOUS SYSTEM
  • Vital for growth & development
  • Needed to release energy from food
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6
Q

Sources of RIBOFLAVIN:

A
  • Poultry
  • Eggs
  • Fish
  • Rice
  • Green leafy veg
  • Fortified cereals
  • Lost from milk during pasteurisation
    ALL FOODS TO BE KEPT OOUT OF SUNLIGHT AS UV RAYS DESTROY RIBOFLAVIN
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7
Q

Excess of RIBOFLAVIN:

A
  • Excreted in Urine
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8
Q

Deficiency of RIBOFLAVIN:

A
  • Poor growth
  • Rare in developed countries
  • Those who over exercise
  • Elderly are susceptible
  • If present children get blood shot eyes & dry cracked lips
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9
Q

Functions of NIACIN:

A
  • Healthy skin
  • Production of Insulin
  • Production fo Oestrogen
  • Maintains digestive & nervous system
  • Metabolism of CARBS/ FATS/ PROTEINS
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10
Q

Sources of NIACIN:

A
  • Dates
  • Lean meat
  • Peanuts
  • Tomatos
  • Carrots
  • Brocoli
  • Milk
  • LOST DURING MILLING so all flour & cereals are fortified
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11
Q

Excess of NIACIN:

A
  • PEPTIC ULCERS
  • LIVER DAMAGE
    Both only occur is continual high dosage is taken
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12
Q

Deficiency of NIACIN:

A
  • PELLAGRA which causes DERMATITIS (rough red skin) DEMENTIA (depression & memory loss) DIARRHOEA (tummy pain & loss of appetite)
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13
Q

Functions of PYRIDOXINE:

A
  • Formation of antibodies
  • Formation of RBC’s
  • Convert TRYTOPHAN to NIACIN
  • Maintain nerve function & immune system
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14
Q

Sources of pYRIDOXINE:

A
  • Nuts
  • Bananas
  • Beans
  • Meat
  • Eggs
  • Fish
    DESTROYED BY SUNLIGHT/ HEAT/ AIR/ COOKING WATER
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15
Q

Excess of PYRIDOXINE:

A
  • Tingling
  • Numbness
  • Loss of feeling in limbs
    LARGE SUPPLEMENTS FOR A LONG TIME = PERIPHERAL NEUROPATHY (damage of nerves and brain/spipnal cord)
    it is irreversable
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16
Q

Deficiency of PYRIDOXINE:

A
  • Deepression
  • Anaemia
  • Confusion
  • Dermatitis
  • Acne
  • Mouth sores
17
Q

Functions of FOLIC ACID:

A
  • Helps digest & use proteins
  • helps make RBC’s
  • Reduces risk of SPINA BIFIDA in foetus
  • Brain function
  • Mental & emotional health
18
Q

Sources of FOLIC ACID:

A
  • Brocoli
  • Peas
  • Liver
  • Oranges
  • Fortified cereals
  • Chickpeas
  • Whole wheat products
19
Q

Who does FOLATE DEFICIENCY ANAEMIA affect?

A
  • Pregnant
  • Elderly
  • Smokers
  • Alcoholics
20
Q

What isFOLATE DEFICIENCY ANAEMIA?

A

Production of abnormal RBC’s that cannot carry enough Oxygen making people tired & weak.

21
Q

What is SPINA BIFIDA?

A
  • Develops in foetus
  • Spinal cord doesn’t develop properly
  • there is incomplete closing of the backbone and membranes around the spinal cord
  • Immediate operation is advised to avoid likely paralysis
22
Q

Functions of COBALAMIN:

A
  • Supports immune system
  • Maintains nervous system
  • Metabolism of FOLIC ACID/ FAT/ PROTEIN/ CARBS for cell growth
  • Production of RBC’s
23
Q

Sources of COBALAMIN:

A
  • Tempeh
  • Most animal products = dairy/ eggs/ meat/ liver/ shellfish
  • Fortifies cereals
24
Q

Excess of COBALAMIN:

A
  • Excreted in Urine
25
Q

What is PERNICIOUS ANAEMIA?

A
  • Not enough RBC’s due to lack of B12
  • Confusion
  • Mental deterioration
  • Inflammation fo nerves
  • Chest pain
  • Numbness of hands/feet
  • Fatigue
  • Tingling
  • Tiredness
26
Q

Who is it most likely to affect?

A
  • Vegans because of their diet restrictions
  • Elderly due to a lack of stomach acid and intrinsic factor, which prevents the small intestine from absorbing vitamin B12.

VITAMINS (6 decks)

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