vitamins Flashcards

(37 cards)

1
Q

fat soluble vitamins

A

A, D, E, K

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2
Q

water soluble vitamins

A

B, C

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3
Q

vitamin a sources and use

A

cheese, egg, oily fish - immunity and vision
AVOID IN PREGNANCY

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4
Q

vitamin D sources and use

A

colecalciferol (D3) ergocalciferol (D2)
regulates calcium and phosphate - oily fish, red meat

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5
Q

recommended daily dose of vit D

A

10mcg/400IU

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6
Q

vitamin E sources and use

A

plant oils, wheat germ, nuts for skin eye and immunity

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7
Q

vitamin K sources and use

A

leafy veg, grains
for blood clotting and wound healing - warfarin reversal

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8
Q

vitamin B sources

A

meat, fish, milk and eggs

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9
Q

vit B1 and uses

A

thiamine - wernickes encephalopathy

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10
Q

vit B2 and uses

A

riboflavin - skin, eyes and nervous system

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11
Q

vit B3 and uses

A

niacin, skin and nervous system

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12
Q

Vit B6 and uses

A

pyridoxine - isoniazid peripheral neuropathy

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13
Q

vit B7 and uses

A

biotin - fatty acids

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14
Q

vit B9 and uses

A

folate - neural tube defects and anaemia

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15
Q

vit B12 and uses

A

hydroxocobalamin - megaloblastic anaemia

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16
Q

vitamin C sources and use

A

wound healing, skin, blood vessels, cartilage and bone -oranges, peppers, strawberries

17
Q

calcium range

A

2.2-2.6 mmol/L

18
Q

magnesium range

19
Q

phosphate range

A

0.8-1.5mmol/L

20
Q

potassium range

A

3.5-5.3 mmol/L

21
Q

sodium range

A

133 - 146 mmol/L

22
Q

symptoms of hypocalcaemia

A

muscle cramp, tetany, hypotension, confusion, forgetful

23
Q

symptoms of hypercalcaemia

A

bone pain, muscle weakness, fatigue, polyurea, kidney stones, constipation

24
Q

symptoms of hypokalaemia

A

muscle cramp, fatigue, palpitation, arrythmias, delirium

25
symptoms of hyperkalaemia
abdominal/chest pain, muscle weakness, D&V, palpitations, arrythmia
26
symptoms of hyponatraemia
lethargy, anorexia, nausea, agitation, dizziness, confusion, seizures
27
symptoms of hypernatremia
confusion, muscle twitching, seizure, coma
28
what is microlytic anaemia
mean corpuscular vol <80fl (iron deficiency)
29
what is normocytic anaemia
mean corpuscular vol 80-100fl (sickle cell)
30
what is macrolytic anaemia
mean corpuscular vol >100fl (folic/B12 deficiency)
31
oral iron replacement
65mg elemental iron OD empty stomach - 3 months after levels returned (120 f and 130 m)
32
iron antidote
desferrioxamine
33
medicine absorption reduced by iron
levothyroxine - 4hrs quinolones - 4hrs tetracyclines - 2-3hrs risedronate - 2hrs
34
which medications reduce the absorption of iron
antacids - 2hrs before/1hr after
35
MHRA warning for parenteral iron
serious hypersensitivity reactions - monitor 30 mins post dose minimum
36
what is megaloblastic anaemia
B12 (metformin, colchicine, PPIs, H2 antagonists) or folate (alcohol, dietary, AEDs, mtx, trimethoprim) deficiency
37
treatment for B12 deficiency
if neurological - IM hydroxocobalamin alternate days until no further improvement