Electrolytyes Matching Type

Contributes 92% to ECF osmolality

Most abundant cation in the human body

Mostly affected by even the slightest of blood laking

Produced daily in the stomach

Has renal threshold of 110 mmol/L

Counterion in the sodium pump process

Has bromide as its common interferent

Has calcium as its interfering species (2)

Effectively removed from solution with hydroxyquinoline

Measured in sweat together with chloride to screen for cystic fibrosis

Affected by the use of the chelating agent sequestrene

. Counterion in the chloride shift phenomenon

Known as an ECF buffering agent

Forms hydroxyapatite crystals with calcium ions

Ninety percent of this metal is transported by ceruloplasmin

Total amount in the body is 3.0-5.0 grams

Regulated by the aldosterone and ANP

Regulated by the PTH, calcitriol, and calcitonin

Exhibits diurnal variation

Measured in serum using the AAS method

Measured in serum using the ISE method

Known to act as activators of enzymes (

Can be measured using tetraphenylboron

Can be commonly measured using dye-binding methods