Body Water

Body Water - (e.g. 50g NaCl) iv. osmotic pressure 8....

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Body Water & Osmosis – Objectives and Study Guide 1. Calculate the amount of water in a person of a given weight (e.g. an 80kg will have 48 liters of water). Understand that TBW varies with age and amount of fat. 2. Calculate the volume of body water experimentally (injecting a tracer such as radioactivity) 3. Describe how this water will compartmentalize (ICF, ECF etc) in the body (e.g. 1/5 th of ECF is plasma; 1/3 of TBW is ECF etc) 4. Define aquaporins and describe their importance in osmosis. Recruitable and constitutive Nephrogenic diabetes insipidus 5. Define: osmosis, osmolality, osmolarity, osmotic pressure, an osmole, tonicity 6. KNOW the formula: moles = g/MW and be able to use it
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7. Be able to calculate: i. the concentration of a substance (e.g. 1L of pure water) ii. the number of moles from a given amount of substance (e.g. 50g NaCl) iii. the number of osmoles from a given amount of substance
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Unformatted text preview: (e.g. 50g NaCl) iv. osmotic pressure 8. Understand the effects of solutes on water concentration 9. Know the specific details and their role in water balance about the two hormones that I have given you: i. vasopressin ii. aldosterone 10. This is VERY important: Know how hypotonic, isotonic and hypertonic dehydration occur and their effects on: i. osmolarity, ii. the number of osmoles, iii. ECF and ICF, iv. osmotic pressure 11. This is VERY important:Know how hypotonic and hypertonic overhydration occur and their effects on: i. osmolarity, ii. the number of osmoles, iii. ECF and ICF, iv. osmotic pressure. Important: Remember that you should also be able to answer the questions posed to you in Laboratory and be able to understand and apply the concepts behind the questions in Tutorial Sessions....
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This note was uploaded on 10/15/2010 for the course ZOO 3115 taught by Professor Flanigan during the Spring '10 term at Wyoming.

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Body Water - (e.g. 50g NaCl) iv. osmotic pressure 8....

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