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NURS 5463 - Exam 1 With Complete Solutions (A+)
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NURS 5463 - Exam 1 With Complete Solutions (A+)Normal acid base values
pH:
pCO2:
HCO3:
PaO2: - Answer pH: 7.35 - 7.45
pCO2: 35-45 / respiratory
HCO3: 22-26 / metabolic
PaO2: 80-100
What happens to hydrogen ions and bicarbonate in acidosis? - Answer Hydrogen ions
increase because of the increase in CO2 (CO2 is an acid) or decrease in bicarb.
What happens to hydrogens ions and HCO3 in alkalosis? - Answer reduction of
hydrogen ions as evidenced by a decrease in the pCO2 or increase in the HCO3.
How will the body compensate in respiratory acidosis? - Answer - the cell buffering will
occur primarily through hemoglobin and proteins which leads to the production of HCO3
within the kidneys.
If CO2 remain constantly high, kidneys excrete more titratable acid and ammonium
resulting to the production of HCO3.
Respiratory Alkalosis Compensation Body Compensation: Cellular
buffering-bicarbonate is combined to hydrogen ions (excrete).
- Ultimately, there is a decrease in the overall plasma bicarb. The kidneys, over time, will
increase the excretion of bicarbonate along with various other components to help
decrease overall plasma bicarbonate.
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