Topic 2: Water & Electrolytes

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4 Terms

1
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potassium is high ____cellular and sodium is high _____cellular

  1. intracellular

  2. extracellular

2
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water intake is governed by:

induction of Thirst via hypothalamic osmoreceptors

3
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water output is governed by:

governed by Renal Filtration/Reabsoption in response to antidiuretic hormone

4
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What is the difference between osmolarity and osmolality?

  • osmolarity = no. of solute particles per Litre of water, irrespective of size or nature (Osmol/L of solvent)

    • unit of VOLUME

  • osmolality = no of solute particles per unit weight of water, irrespective of size or nature (Osmol/kg of solvent)

    • unit of MASS