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blood gases;buffers

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pH   index of acidity or alkalinity of the blood  
blood gases   body's mechanism to maintain acid-base balance  
acidosis   metabolic state that leads to acidema  
alkalosis   metabolic state that leads to alkaemia  
normal pH   7.35-7.45  
acid   substance that can yield a hydrogen ion or hydronium ion when dissolved in water  
base   substance that will yield a hydroxyl(OH-) ion when dissolved in water  
K value   relative strenth of acids and bases and their ability to dissociate in water  
buffer   combination of a weak acid or base and its salt so that it resists changes in pH.  
pCO2   measurement of tension or pressue of carbon dioxide dissolve in blood  
pCO2 reference range   35-45mmHg  
pO2   meansurement of tension or pressure of oxygen dissolved in blood  
pO2 reference range   80-110mmol/L  
decreased pO2 is seen in...   decreased pulmanary ventilation  
acid-base balance   maintenance of H+; increased H+, decreased pH; decreased H+, increased pH  
bicarbonate-carbonic acid   buffer in highest concentration in plasma  
Henderson-Hasselbalck equation   relates pH, HCO3, pCO2  
hemoglobin buffer   transports acid from tissues to lungs  
phosphate buffer   intracellular buffer  
albumin/other proteins   buffers system that binds H+ because of net negative charge  
respiratory acid-base disorder   caused by ventilatory dysfunction  
metabolic acid-base disorder   caused by renal dysfunction  
compensation   body's attempt to restore acid-base balance  
fully compensated   body pH has returned to normal range  
partially compensated   body pH is approaching normal range  
metabolic acidosis   decrease pH and decreased HCO3-  
metabolic alkalosis   increase pH and increased HCO3-  
respiratory acidosis   decrease pH and increased CO2  
respiratory alkalosis   increase pH and decreased CO2  
anion gap   eastimate of unmeasured anions and cations  


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Created by: cjbarnes78