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30 Cards in this Set
- Front
- Back
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Normal pH
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7.4 - or + 0.04
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Buffers about 95% of the CO2 that's produced in the body each day
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HgB
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Normal ratio of bicarb to CO2
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20:1
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How does the body maintain pH
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maintains acid:base ratio
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Decreased CO2 causes what to happen to bicarb, Cl-
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decrease bicarb
decreases Cl shift |
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Increase CO2 causes what to happen to bicarb, Cl-
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increases bicarb
increases Cl shift |
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Causes of respiratory acidosis
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decreased ventilation
pneumonia most commonly COPD drug overdose |
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If you increase CO2 what happens to sodium bicarb
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it increases
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If you increase sodium bicarb what happens to Cl-
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more shifts into the RBC
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Causes of respiratory alkalosis
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hypoxic reflex drive in anemia
asa overdose anxiety encephalitis |
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If you decrease CO2 what happens to sodium bicarb
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it decresaes
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If you decrease sodium bicarb what happens to Cl-
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less of it shifts into the RBC
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What is carpopedal spasming indicative of
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alkalosis
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What is the normal charge of plasma proteins
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+
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What is the charge of plasma proteins in the presence of alkalosis
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_
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What would bicarb levels be during uncompensated respiratory alkalosis; what about when it's compensated
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they will be low; even lower
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What would bicarb levels be during uncompensated respiratory acidosis; what about when it's compensated
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they would be high; even higher
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What are some causes of metabolic acidosis
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DKA
NH4CL tablets Methanol ingestion |
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What would bicarb levels be during uncompensated metabolic acidosis; what about when it's compensated; what about CO2 levels
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low; even lower; low
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What would bicarb levels be during uncompensated metabolic alkalosis; what about when it's compensated; what about CO2 levels
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high; even higher; high
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What will CO2 levels be like in uncompensated metabolic conditions
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normal
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What conditions cause metabolic alkalosis
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excessive ingestion Na bicarb
Loss of acid from the body antacid consumption |
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What causes the even higher levels of bicarb in compensated respiratory acidosis
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kidneys make more bicarb
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What causes the even lower levels of bicarb in compensated respiratory alkalosis
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kidney excretes bicarb
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When does compensation begin in resp conditions and how long does it take
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begins in hours
takes 2-3 days |
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When does compensation begin in metabolic conditions and how long does it take
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begins in an hour
may take 12 hours |
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When do you have a positive delta base
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respiartory acidosis
metabolic alkalosis |
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When do you have a negative delta base
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respiratory alkalosis
metabolic acidosis |
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Acts a buffer in the kidneys when too much H+ is present.
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Glutamine
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Product of H+ and Cl- buffering by glutamine
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ammonium CL
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