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Myo > Nutrients > Flashcards

Nutrients Flashcards

1
Q

B1 functions

A

Critical link in energy metabolism

Essential for pyruvate to enter Krebs cycle (necessary for oxidative metabolism of glucose)

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2
Q

B1 signs and symptoms

A

Decreased CNS function, compromised learning ability, increased TP susceptibility, decreased LL vibratory perception, nocturnal calf cramps, oedema, constipation, fatigue, wet(CVS)/dry(NS) beriberi

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3
Q

B1 RDA

A

0.5mg per 1000kcal energy expenditure

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4
Q

B1 sources

A

Lean pork, kidney, liver, fish, eggs, beans, nuts, whole grain cereal

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5
Q

B1 thiamine active form

A

Thiamine, pyrophosphate

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6
Q

B6 pyridoxine active form

A

Pyrodoxil phosphate

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7
Q

B6 functions

A

Critical for lipid metabolism, vit c and tyrosine metabolism; synthesis/metabolism of most neurotransmitters in brain

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8
Q

B6 signs and symptoms

A

Myelin degeneration, anaemia, retarded growth, increased vit c production, decreased RNA biosynthesis, decreased cell-mediated immune response, increased TP susceptibility

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9
Q

B6 RDA

A

2mg/day

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10
Q

B6 sources

A

Liver, kidney, chicken (white meat), tuna, banana, avo, fresh milk

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11
Q

B12 cobalamin - 3 forms of name (b12 cyanocobalamin) functions

A

DNA synthesis, intrinsic folate regen, folate storage/transportation, fat/carb/protein metabolism

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12
Q

B12 signs and symptoms

A

Central/peripheral demyelination, axonal degeneration, nerve death, decreased immune function, decreased reflexes, ataxia, spastic paraplegia, increased TP susceptibility

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13
Q

B12 RDA

A

3mcg/day

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14
Q

B12 sources

A

Bacteria (main), tripe, kidney, liver, shellfish

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15
Q

Folic acid functions

A

DNA synthesis (B12 and folic acid), contributes to prostaglandin synthesis, NB for normal brain chemical function, purine biosynthesis

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16
Q

Folic acid signs and symptoms

A

Myofascial pain/dysfunction, muscle irritability, increased TP susceptibility, insomnia, restless leg syndrome, fatigue, depression

17
Q

Folic acid RDA

A

400mcg/day

18
Q

Folic acid sources

A

Leafy veg, broccoli, asparagus, yeast, liver, hollow organ meat

19
Q

C (ascorbic acid) functions

A

Decreases post-exercise stiffness/soreness, decreases capillary fragility, collagen synthesis, assists in neurotransmitter synthesis, increases immune response

20
Q

C signs and symptoms

A

Scurvy

21
Q

C RDA

A

45mg/day

22
Q

C sources

A

Broccoli, brussel sprouts, sweet peppers, citrus fruits, guava

23
Q

Calcium function and RDA

A

Excitation-contraction mechanism in muscles, 800mg/day

24
Q

Potassium function and RDA

A

Rapid repolarisation of nerve and muscle membranes after action potential, 2g/day

25
Q

Iron function and RDA

A

Essential component of myoglobin and haemoglobin molecules, 1,8mg/day

26
Q

Magnesium function and RDA

A

Essential to contractile mechanism of myo filament, 350mg/day

Myo (5 decks)

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