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15 Cards in this Set

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  • Back
what are the 3 mechanisms of carbon dioxide transport in the circulation?
1.attached to hemoglobin dissolved CO2 in the plasma HCO-3
what constitutes the buffer systems of the blood?
hemoglobin, protein, phosphate, and HCO-3
base excess indicates metabolic alkalosis. T/F
base deficit indicates metabolic acidosis. T/F
this difference between the plasma concentration of the major measured cation and the sum of the measured anions is?
the anion gap. (the concentration of the unmeasured anions)
what kind of conditions would increase the anion gap?
lactic acidosis and ketoacidosis that result from elevated levels of metabolic acids.
what conditions would you suspect a low anion gap?
those that produce a fall in unmeasured anions, (albumin) or rise in unmeasured cations. (hyperkalemia, hypercalcemia, hypermagnesemia, multiple myeloma)
what is the main alkali in the extra cellular fluid?
sodium bicarbonate
disorders that produce an alteration in bicarbonate concentration and result from the addition or loss of nonvolatile acid or alkali to/from ECF.
metabolic disorders
a reduction in pH due to a decrease in HCO3- is called?
metabolic acidosis
an elevated pH due to increased HCO3- levels is called?
metabolic alkalosis
these disorders involve alteration in the PCO2, reflecting an increase or decrease in alveloar ventilation?
respiratory disorders
characterized by a decrease in pH, reflecting a decrease in ventilation and an increase in PCO2?
respiratory acidosis
characterized by an increase in pH, resulting from an increase in alveolar ventilation and a decrease in PCO2?
respiratory alkalosis
how does the body compensate in metabolic acidosis?
since there is a decrease in pH, the body increases the respiratory rate in an effort to decrease CO2 and H2CO3 levels.