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The flashcards below were created by user
rmslim1
on FreezingBlue Flashcards.
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Solution
mixtures composed of a solvent and a solute
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Colloid
large particles are present in the solution (particles reflect light passing through) "Fog"
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semipermeable membrane
A porous membrane with very tiny holes
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dialysis
the flow of solute from a more concentrated solution to a less concentrated solution through a semipermeable membrane along with small particles
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hemodialysis
process which separates waste products from blood
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osmosis
the flow of solvent from a less concentrated solution to a more concentrated solution to a semi permeable membrane
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isotonic solution
a solution having the same osmotic pressure as blood & 5% glucose & .09% NaCl
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hypotonic solution
solution which has a lower osmotic pressure than blood. (lower % of glucose or NaCl, causing crenation)
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hypertonic solution
solution which has a higher automatic pressure than blood (higher % of glucose or NaCl causing hemolysis)
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Crenation
the contraction of a cell after exposure to a hypertonic solution
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Hemolysis
the rupturing of red blood cells in the release of their contents
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electrolyte
electrolytes conduct electricity by separating into ions when dissolved in water
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Test for glucose
- Benedicts solution
- Turns orange
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Test from starch
- Iodine reagent
- Turns purple/black
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When testing dialysate solution from dialysis bag, what should be present?
- Chlorine & glucose.
- Starch particles are too large to pass through the bag.
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