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C MMSC 407 acid base exam 3 (questions and answers). $13.49   Add to cart

Exam (elaborations)

C MMSC 407 acid base exam 3 (questions and answers).

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  • Course
  • MMSC Clinical Chemistry
  • Institution
  • MMSC Clinical Chemistry

C MMSC 407 acid base exam 3 (questions and answers).

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  • August 27, 2024
  • 29
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MMSC Clinical Chemistry
  • MMSC Clinical Chemistry
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FREEMANSHARP
C MMSC 407 acid base
exam 3 (questions and
answers)
purpose of blood gases - answer clinical
management of respiratory and metabolic
disorders


respiratory - answer pCO2
lungs
compensatory mechanism for metabolic disorders


metabolic - answer HCO3
kidneys
compensatory mechanisms for respiratory
disorders


definition of pCO2 - answer partial pressure of
CO2 gas


pCO2 reference range - answer 35-45 mmHg
(arterial)

,pO2 definition - answer partial pressure of O2 gas


pO2 reference range - answer 83-100 mmHg
(arterial)


total CO2 (calculated parameter) - answer ctCO2
sum of HCO3 and H2CO3 concentrations


what is H2CO3 - answer dissolved CO2 (dCO2)


how to find dCO2 - answer pCO2 x 0.0306


solubility coefficient of CO2 in blood at 37C


ctCO2 = - answer cHCO3 + cdCO2


ctCO2 reference value - answer 22-29 mmol/L


Buffer Base (calculated parameter) - answer the
sum of the concentration of all the buffer anions in
blood


blood buffers are - answer HCO3 / H2CO3 : 5%

, HPO4 / H2PO4 : 1%
hemoglobin : 80%
plasma proteins : 14%


blood buffer base reference range - answer 46-49
mEq/L


Base Excess (calculated parameter) - answer the
concentration of titratable base when titrating the
blood or plasma with a strong acid or base to a
plasma pH of 7.40 at a pCO2 of 40 mmHg at 37 C


Base excess reference range - answer -2.5 to +2.5
mmol/L


concentration of titratable base positive values are
- answer base excess


concentration of titratable base negative values
are - answer base deficit


what is base excess used to estimate - answer the
amount of sodium bicarbonate to be given to
correct pH problems

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