Mineral Micronutriants Flashcards
1
Q
Calcium- fxn
A
- Bone mineralization
- Muscle fxn
- Neural transmission
- Cell signaling
2
Q
Calcium- RDA
A
- Stored in bone and teeth
- Need 1-2 gm/day
3
Q
Phosphorus- fxn
A
- Insulin signalling
- Formation of ATP
- DNA backbone
- Bone creation
4
Q
Phosphorus- RDA
A
- 700 mg/day
- 85% in bone stores
- 15% extra skeletal sites
5
Q
Sodium- fxn
A
Water balance- major extracellular cation
6
Q
Sodium- RDA
A
- 500 mg/ day
- Body content = 100 g in bone and cells
7
Q
Chloride- fxn
A
- Water balance
- Digestive juice
8
Q
Chloride- RDA
A
1.8 g/day
9
Q
Potassium- fxn
A
- Membrane potentials
10
Q
Potassium- RDA
A
- 4.7 g/day
- Typically low in US
11
Q
Iron- fxn
A
- Detoxification of drugs in liver
- Carries oxygen in hemoglobin
12
Q
Iron- RDA
A
Females: 18 mg/d
Males: 8 mg/d
13
Q
Magnesium- fxn
A
- Intracellular signalling
14
Q
Magnesium- RDA
A
- 320 mg/day
- Stored in bone, soft tissues
