Chapter 26 Fluid Balance Vocabulary

Question 1

Intracellular Fluid (ICF)

Answer 1

fluid inside cells

-2/3 of total fluids

Question 2

Extracellular Fluid (ECF)

Answer 2

fluid outside cells

-1/3 of total fluids

Question 3

Plasma

Answer 3

fluid component of blood

Question 4

Interstitial Fluid (IF)

Answer 4

fluid in spaces between tissue cells; also includes lymph, cerebrospinal fluid, serous fluid, synovial fluid, and secretions of digestive system

Question 5

Electrolytes

Answer 5

compounds that form ions in solution

ex: salts (NaCl –> Na+ + Cl-) , acids + bases (HCl–> H+ + Cl-), most proteins (NaOH–> Na+ +OH-)

Question 6

Nonelectrolytes

Answer 6

compounds that do not dissociate in solution

ex: Glucose, Lipids, Creatinine, Urea

Question 7

Osmolarity

Answer 7

of solute particles dissolved in 1 liter of water (a measure of a solutions ability to cause osmosis)

Question 8

pH

Answer 8

a measure of the H+ ion concentration of a solution

Question 9

Acid

Answer 9

substance that release H+ ions into solution

Question 10

Base

Answer 10

substance that removes H+ ions from solution

Question 11

Buffer

Answer 11

weak acids or weak bases that help minimize changes in pH