CALCIUM Flashcards by Guilliana Cauinian

Q

Meaning of calmodulin

A

calcium modulated protein

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Q

5th most common element

A

Calcium

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Q

Percent in bones & teeth

A

99%

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Q

Percent in soft tissues and ECF

A

1%

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Q

Protein bound

A

45%

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Q

Bound to albumin

A

80%

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Q

The rest are bound to

A

Globulins

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Q

Percent in globulin

A

20%

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Q

Complexed w/ citrate, phosphate, bicarbonate, lactate

A

10%

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Q

Act as a

A

Inorganic messenger

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Q

It binds to

A

Troponin

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Q

It is important in

A

Muscle contraction

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Q

Controls the secretion of some endocrine glands

A

Parathyroid gland & c cells

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Q

Factor 2&3 bind to form

A

Thrombin

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Q

Primary hyperthyroidism

A

Hypercalcemia

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Q

Malignancy

A

Hypercalcemia

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Q

Multiple myeloma

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A

Hypercalcemia

Q

Increased vit. D

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A

Hypercalcemia

Q

Hyperthyroidism

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A

Hypercalcemia

Q

Vit D. Deficiency

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A

Hypocalcemia

Q

Acute pancreatitis

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A

Hypocalcemia

Q

Hypermagnesemia

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A

Hypocalcemia

Q

Hypomagnesemia

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A

Hypocalcemia

Q

Primary hypoparathyroidism

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A

Hypocalcemia

Skeleton calcium

99%

Soft tissue calcium

1%

ECF calcium

<0.2%

Total of calcium

25 mol or 1000g

Total of phosphate

19.4 mol or 600g

ECF phosphate

<0.1%

Soft tissue phosphate

15%

Skeleton phosphate

85%

Skeleton magnesium

55%

Soft tissue magnesium

45%

ECF magnesium

1%

Total magnesium

1.0 mol or 5g

Specimen for total calcium

Serum or Li heparinized plasma

Coagulants that is avoided for total calcium

Citrate, EDTA, oxalate

Specimen of ionized calcium

Heparinized blood 24 hr urine acidified w/ 6mol/l HCL Collected anaerobically

Reference method for calcium

AAS