ch 15. key terms Flashcards
Buffer?
A substance that decreases the change in pH, when an acid or base is added
Colloidal?
a chemical system composed of a continuous medium throughout which small particles are distributed and do not settle out under the influence of gravity.
Dissociation?
the act of separating into ionic components NaCl — ‘s and Cl
Electrolyte?
A substance that dissociates into ions when placed into solution, becoming capable of conducting electricity
Empirical?
Based on observation and personal experience
Hyperkalemia?
An excess of potassium in the blood
Hypernatremia?
An excess of sodium in the blood
Hypokalemia?
A deficiency of potassium in the blood
Hyponatremia?
A deficiency of sodium in the blood
Hypovolemia?
Decreased volume of circulating blood
Metabolic acidosis?
Decreased body pH caused by excess hydrogen ions in the extracellular fluid
Metabolic alkalosis?
Increased body oH, caused by excess bicarbonate in the extracellular fluid
Oncotic pressure?
The osmotic pressure generated by plasma proteins in the blood
Solute?
A substance dissolved in a solvent to form a solution
Total nutrient admixture?
A solution used for parential administration that contains amino acids, lipids, dextrose, vitamins and minerals