PHOSPHORUS, SODIUM, AND POTASSIUM

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calcium

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  • phosphorus

  • closely associated with _

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850

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  • phosphorus

  • around _ g in adult human

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81 Terms

1
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calcium

  • phosphorus

  • closely associated with _

2
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850

  • phosphorus

  • around _ g in adult human

3
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bones

  • phosphorus in an adult human

  • 85% in _

4
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soft tissues

  • phosphorus in an adult human

  • 14% in _

5
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extracellular fluids

  • phosphorus in an adult human

  • 1% in _

6
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1250

  • phosphorus

  • RDA per day

  • <18

7
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700

  • phosphorus

  • RDA per day

  • >18

8
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small intestines

  • phosphorus

  • absorption-excretion balance

  • absorbed in _

9
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calcitriol and phosphate carrier proteins

  • phosphorus

  • small intestines

  • regulated by _

10
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aluminum, iron, calcium

  • phosphorus

  • small intestines

  • excess of _ reduces absorption

11
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phyates

  • phosphorus

  • small intestines

  • _ also prevent absorption

12
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phyates

  • phosphorus

  • small intestines

  • _ also prevent absorption

13
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kidneys

  • phosphorus

  • absorption-excretion balance

  • excreted via _

14
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calcitriol

  • phosphorus

  • kidney excretion

  • 85-95% of filtered plasma phosphate is reabsorbed due to _

15
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PTH

  • phosphorus

  • kidney excretion

  • When phosphate must be excreted, _ overrides calcitriol → Inc. Excretion

16
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aluminum

  • phosphorus

  • absorption-excretion balance

  • _ in antacids

17
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calcium

  • phosphorus

  • absorption-excretion balance

  • reabsorbed with _

18
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skeleton and teeth

  • phosphorus

  • bone-blood-cell balance

  • bone

  • 80-90% is in the _, combined with Calcium

19
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high

  • phosphorus

  • bone-blood-cell balance

  • blood

  • _ Ph intake leads to release of PTH and mobilization of Bone Ca2+

20
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ATP

  • phosphorus

  • bone-blood-cell balance

  • cells

  • active form is _

21
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proteins, lipids and carbs

  • phosphorus

  • bone-blood-cell balance

  • cells

  • works with _ to produce energy

22
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calcitriol

  • phosphorus

  • hormonal control

  • enhances intestinal absorption but can also indirectly influence bone resorption to regulate phosphorus levels

23
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PTH

  • phosphorus

  • hormonal control

  • lowers phosphorus by promoting its excretion

24
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low intake

  • phosphorus

  • hormonal control

  • phoshate depletion

25
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poor absorption

  • phosphorus

  • hormonal control

  • phosphate depletion

26
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excessive kidneys wasting

  • phosphorus

  • hormonal control

  • phosphate depletion

27
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glucose reabsorption

  • phosphorus

  • phosphorus functions

  • promotes _ in kidneys

28
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bone and teeth

  • phosphorus functions

  • _ formation

29
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glucose and glycerol absorption

  • phosphorus functions

  • metabolism

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FA transport

  • phosphorus functions

  • metabolism

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energy metabolism

  • phosphorus functions

  • metabolism

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buffer system

  • phosphorus functions

  • metabolism

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diabetic acidosis

  • clinical applications of phosphorus

  • recovery from _

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glucose

  • recovery from diabetic acidosis

  • phosphate is combined with _ in glycogen

35
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growth

  • clinical applications of phosphorus

  • for development

36
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sprue and celiac disease

  • clinical applications of phosphorus

  • hypophosphatemia

  • gluten allergy

37
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primary hyperparathyroidism

  • clinical applications of phosphorus

  • hypophosphatemia

38
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muscle weakness, heart failure, metabolic acidosis

  • clinical applications of phosphorus

  • hypophosphatemia

  • _ → death

39
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renal failure

  • clinical applications of phosphorus

  • hyperphosphatemia

40
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tetany

  • clinical applications of phosphorus

  • hyperphosphatemia

41
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cation

  • sodium

  • major _

42
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extracellular

  • sodium

  • in the _ space

43
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100

  • sodium

  • average adult contains _ g

44
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free

  • sodium

  • 50% _ ionized sodium

45
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bones

  • sodium

  • 40% in _

46
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cell

  • sodium

  • 10% in the _

47
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1500

  • sodium

  • RDA for young adults in mg

48
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1300

  • sodium

  • RDA for 51-70 y/o in mg

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1200

  • sodium

  • RDA for >70 y/o in mg

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lower

  • sodium

  • _ blood volume does not retain water

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high BP

  • sodium

  • _ = get half the amount of salt

52
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small intestine

  • sodium

  • absorption-excretion

  • easily absorbed in the _

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2%

  • sodium

  • absorption-excretion

  • no more than _ remain in feces

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kidneys

  • sodium

  • absorption-excretion

  • excreted via the _

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aldosterone

  • sodium

  • absorption-excretion

  • kidneys

  • under control of _

56
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sweat

  • sodium

  • absorption-excretion

  • kidneys

  • also lost in _

57
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equal

  • sodium

  • absorption-excretion

  • for normal individuals: excretion is _ Intake

58
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osmosis

  • sodium functions

  • water balance via _

59
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Acid-Base Balance

  • sodium functions

  • together with Cl and HCO3

60
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cell permeability

  • sodium functions

  • sodium pump

61
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nerve transmission

  • sodium functions

  • nervous sytem

62
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270

  • potassium

  • an adult has about _ g

63
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intracellular cel

  • potassium

  • most can be found in _

64
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plasma

  • potassium

  • _ amounts to 3.5-5.0 mEq/L

65
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4700

  • potassium

  • adult intake = _ mg/day

66
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extracellular

  • potassium

  • (intracellular or extracellular) is important for muscle activity

67
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small intestines

  • absorption-excretion of potassium

  • readily absorbed in _

68
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reabsorbed

  • absorption-excretion of potassium

  • secreted K is _

69
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kidneys

  • absorption-excretion of potassium

  • excreted via the _

70
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water balance

functions of potassium

71
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muscle activity

functions of potassium

72
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carbohydrate metabolism

functions of potassium

73
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0.36 mmol K

_ is stored per gram of glycogen

74
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protein synthesis

functions of potassium

75
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BP control

functions of potassium

76
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acid-base balance

functions of potassium

77
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hypokalemia

  • potassium functions

  • rapid glycogenesis → _

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protein

  • potassium functions

  • K is required for storage of N as _

79
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lower BP

  • potassium functions

  • High K, _

80
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sulfur-containing acids

  • potassium functions

  • potassium and bicarb buffers helps neutralize _ produced by metabolism

81
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bone Ca

  • potassium functions

  • acids can act on bone and release _