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

A

Hypercalcemia

Q

Increased vit. D

A

Hypercalcemia

Q

Hyperthyroidism

A

Hypercalcemia

Q

Vit D. Deficiency

A

Hypocalcemia

Q

Acute pancreatitis

A

Hypocalcemia

Q

Hypermagnesemia

A

Hypocalcemia

Q

Hypomagnesemia

A

Hypocalcemia

Q

Primary hypoparathyroidism

A

Hypocalcemia

Q

Skeleton calcium

A

99%

Q

Soft tissue calcium

A

1%

Q

ECF calcium

A

<0.2%

Q

Total of calcium

A

25 mol or 1000g

Q

Total of phosphate

A

19.4 mol or 600g

Q

ECF phosphate

A

<0.1%

Q

Soft tissue phosphate

A

15%

Q

Skeleton phosphate

A

85%

Q

Skeleton magnesium

A

55%

Q

Soft tissue magnesium

A

45%

Q

ECF magnesium

A

1%

Q

Total magnesium

A

1.0 mol or 5g

Q

Specimen for total calcium

A

Serum or Li heparinized plasma

Q

Coagulants that is avoided for total calcium

A

Citrate, EDTA, oxalate

Q

Specimen of ionized calcium

A

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

Q

Reference method for calcium

A

AAS