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Jason's Metabolism Block > Minerals > Flashcards

Flashcards in Minerals Deck (51)
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1

what does trace minerals depend on?

soil and water composition and food processing

2

what kind of mineral deficiencies are easy to miss?

mild deficiencies

3

most common result of children with mineral deficiency?

Failure to grow/thrive

4

hypercalcaemia leads to impaired:

kidney function (stones)
other mineral absorption
bone: osteoporosis

5

If blood calcium is too high, what releases?

Calcitonin from thyroid

6

If blood calcium is too low what releases?

Parathyroid and vitamin D

7

What is malignant hyperthermia? how triggered?

1. muscle releases excess Ca2+, uncontrolled ATPase
2. happen in general anaesthesis: Rx: dantrolene, ice

8

Calcium upper limit?

2.5g/day

9

majority of phosphorus consumed as?

fertilizers/bone ash

10

where is body's phosphorus store?

hydroxyapatite in bones

11

phosphorus in body?

DNA, RNA, ATP, phospholipids

12

hypophosphataemia symptoms?

muscle, neuronal dysfunction, RBC fragility

13

hyperphosphataemia symptoms?

diarrhoea
calcification of organs/soft tissues

14

Potassium best found in what foods?

fruits/veg: bananas

15

potassium toxicity:

stop the heart

16

potassium deficiency:

arrythmias, weakness

17

Sulfur requirements met how?

by consuming aminoacids with sulfur sidechains: cysteine and methionine

18

Where on body high in sulfur?

keratin in skin, hair, nails

19

Sodium RDI?

2300mg/day

20

excess sodium leads to?

hypertension, oedema

21

Chloride toxicity?

vomitting

22

Magnesium supports what 2 things mainly?

bone mineralisation
muscle contractions

23

Magnesium is a co-factor in?

ATP

24

What is epsom salt? use?

MgS04, use as laxatives

25

Does magnesium help with muscle cramps?

probably

26

Iron RDI women, vs. men

women: 18mg/day
men: 8mg/day

27

Deficiency in iron results in?

Anaemia, body temp dysreg, pica

28

haemochromatosis signs?

skin pigmentation, cirrhosis, diabetes

29

Fe3+ or 2+ absorbed and used?

Fe2+

30

Irons absorption assisted by?

vitamin C