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15 Cards in this Set

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Ca++
~Calcium
~Most abundant electrolyte
~responsible for nerve impulse, blood clotting, muscle contraction, b12 absorption.
HC03-
~Bicarbonate
~In ECF
~Acts as a buffer in ECF
-PRIMARY buffer system in body
Cl-
~Chloride
~In ECF
~Maintains osmostic pressure in blood
~produces hydrochloric acid
Na+
~Sodium
~In ECF
~controls & regulates volume of body fluids
K+
~Potassium
~In ICF
~Chief regulator of cellular enzyme activity and water content
Mg++
~Magnesium
~In ICF
~Metabolism of carbs & proteins, vital actions involving enzymes.
P04-
~Phosphate
~in ICF
~Involved in important chemical reactions in the body, cell division & hereditary traits
~Buffer in ICF
Osmosis
water passes from area of lesser solute concentration to greater concentration until equilibrium is established.
Diffusion
tendency of solutes to move freely throughout a solvent ("downhill")
Active transport
requires energy for movement of substances through cell membrane from lesser solute concentration to higher solute concentration
Isotonic solution (osmolarity)
same concentration of particles as plasma.
Hypertonic solution (osmolarity)
greater concentration of particles than plasma (cells shrink).
What does an enema with a hypertonic solution do to the body?
the solution draws moister from the body into itself (the solution).
hypotonic solution (osmolrity)
lesser concentration of particles than plasma (cells swell).
The healthy or "normal" PH level for a human
between 7.35-7.45