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24 Cards in this Set
- Front
- Back
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Aproximately, how much of the body is made up of water
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60%
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Intracellular fluid makes up how much?
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40%
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Extracellular fluid takes up how much?
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20%
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What is meant by Extracellular (ECF) fluid?
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Interstitial fluid, Plasma Water, Transcellular fluid
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Where would you find Intracellular (ICF) fluid?
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Blood cells and other body cells
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Interstitial (ISF) Fluid is?
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Fluid found in between the cells
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Transcellular (TCF) is?
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Saliva, tears, cerebrospinal fluid etc.
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Plasma Water (PW) is?
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Fluid in the blood vessels.
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What is Diffusion?
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It is a movement of substances across a semi-permiable membrane from a fluid which is HIGHLY concentrated to one with a LOW concentration.
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What is Osmosis?
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Movement of 'water'across a semi permiable membrane from an area of LOW substance concentration to an area of HIGH concentration (making the concentration equal)
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An Ion is?
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Smallest unit of an atom
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A Cation is?
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Ions carrying one or more+charges e.g sodium and calcium
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An Anion is?
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Anions carrying one or more -ve charges e.g chloride
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What is a solution?
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A solute (salt) having disolved in a solvent (water)
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The main Extracellular cation is...?
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Sodium
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What is a Solution?
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A solute (salt) that dissolves into a solvent (water)
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What is meant by Isotonic?
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Equal osmitic pressure to plasma
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What is meant by Hypotonic?
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Lower osmotic pressure than plasma
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What is meant by Hypertonic
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Higher osmotic pressire than plasma
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The main Extracellular anion is
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Chloride
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The main Intracellular cation is?
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Potassium
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Inevitable (Insensible) losses are?
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~Breathing
~Sweating ~Faeces ~Other losses, e.g tears |
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What are Sensible Losses?
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~Urine
~Lactation |
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The pooling of water in the substance of tissues is called
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Oedema
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