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Urinary Systems and Electrolytes I
Fichas del conjunto (10)
- 1How is total body water portioned?Total = (0.6*BW)
ICF = 0.4*BW
ECF=0.2*BW
ISF=0.75*ECF
Plasma = 0.25*ECF - 2How is the OSP maintained? (4)Solutes/Water must pass through ECF
ECF/ICF in osmotic equilibrium
Equilibriation of ICF/ECF osmolality occurs primarily due to H2O shifts
Plasma and ISF are essentially isosmotic - 3How do pressure differences change through a capillary?P= HSP of Cap
Pi = OSP of Cap
P>Pi = net filt.
P - 4What are the electrolyte compositions of these various fluids?Plasma/ISF similar as only one cell thick barrier
Muscle cells can alter their ISF comp. via transport mechanisms. - 5How is osmoregularity maintained in FW fish?HCO3- <-> Cl-
H+ <-> Na+
Water continuously expelled
A.T. of monovalent ions against their [ ]' to retain in plasma - 6Aquaporinsspeed up h2o movement
12 molecular forms - 7Transcellular transport-> apical / basolateral membrane
- 8Paracellular transportAcross ep. -> IC gaps
- 9What is the reaction for the catabolism of food stuffs?c6h12o6 + 6o2 -> 6co2 + 6h2o
- 10What are the obligatory water losses associated with metabolism?Respiratory - ambient humidity+physio
Urinary - pro. catabolism nitro waste
Faecal
Met. gains - obl. losses = not gain/loss
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- El usuario ha eliminado su información de asignaturas Fichas sobre Urinary Systems and Electrolytes I, creado por Usuario eliminado el 29/03/2018.
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- Creado por J yadonknow · 29 mar 2018
- Copiado por J yadonknow · 29 mar 2018
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