Blood gases, pH & buffer systems
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Respiratory acidosis | show 🗑
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| Respiratory alkalosis, | show 🗑
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| show | repiratory alkalosis
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| show | a lower pH and decreased HCO3-
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| show | metabolic acidosis
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| show | elevated pH and increased HCO3-
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| seen in hypokalemia, chronic vomiting (losing acid from the stomach), and sodium bicarbonate overdose. | show 🗑
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| pH decreased; HCO3- decreased | show 🗑
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| show | metabolic alkalosis
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| show | Respiratory acidosis
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| show | Respiratory alkalosis
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| pCO2 | show 🗑
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| show | measure of the pressure of the oxygen dissolved in the blood
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| show | represents the proportion of oxygenated hemoglobin compared to the total functional hemoglobin
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| reference range for pH | show 🗑
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| reference range for pCO2 | show 🗑
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| reference range for HCO3- | show 🗑
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| reference range for total CO2 content | show 🗑
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| show | 80-110 mmol/L
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| reference range for SO2 | show 🗑
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| reference range for O2Hb | show 🗑
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| show | H2CO3
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| show | HCO3- anion
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| show | sum of the oxygen bound to hemoglobin as O2Hb and the amount dissolved in the blood
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| Oxygen saturation SO2 | show 🗑
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| Base Excess | show 🗑
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| show | refers to all acids and metabolites other than carbonic acid and is measured as HCO3-
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| To maintain a stable pH | show 🗑
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| show | ratio of the concentration of oxyhemoglobin to the concentration of total hemoglobin (ctHb)
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| show | maximum amount of oxygen that can be carried by hemoglobin in a given quantity of blood
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| PO2 definition | show 🗑
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| show | partial pressure of carbon dioxide
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| pH | show 🗑
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| Hypercarbia | show 🗑
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| Acidemia | show 🗑
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| show | a blood pH greater than the reference range
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| show | pertains to the lungs and is associated with an increase or decrease in carbonic acid & is measured as pCO2
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| Positive value base excess | show 🗑
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| show | non respiratory acidosis
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| show | Metabloic
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| show | substance that can yield a hydrogen ion(h+) or hydrogen ion when dissolved in water
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| show | Substance that can ield hydroxyl ions (OH-)
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| show | combination of a weak acid or weak base and its salt
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| show | Buffer
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| Regulation of H+ | show 🗑
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| show | the end product of most aerobic metabolic processes
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| Chloride shift | show 🗑
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| electroneutrality | show 🗑
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| Acidosis | show 🗑
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| show | pH above 7.45
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| Bicarbonate buffering system | show 🗑
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| lungs | show 🗑
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| show | Kidneys ( nonrespiratory or metabolic component
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| When arterial blood from a normal patient is exposed to room air | show 🗑
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| Normal ratio of carbonic acid to bicarbonate in arterial blood | show 🗑
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| show | 80 nmol/L
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| The anticoagulant of choice for arterial blood gas measurments | show 🗑
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| show | 0.0307 mmol-1 mn hg-1 times the pCO2 value in mmhg
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| show | A. Chloride
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| Q. pH 7.48 ;pCO2 54 mm; HCO3- 38mmol/L | show 🗑
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| Q. Oxygen content in blood reflects | show 🗑
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| Q. pH 7.37 ; pCO2 75mm hg ; HCO3- 37 mmol/L | show 🗑
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| Q. Hemoglobin oxygen binding capacity for a blood sample that is 100% saturated with O2 and has a total hemoglobin calue of 12g/dL is approximatly | show 🗑
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| Q. Hypoventilation can compensate for | show 🗑
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| Respiratory Alkalosis signs & symptoms | show 🗑
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| show | Early: anxiety, restlessness, dyspnea, headache
Late: confusion, somnolence, coma
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| Metabolic alkalosis signs and symptoms | show 🗑
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| Metabolic acidosis signs and symptoms | show 🗑
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| Respiratory alkalosis causes | show 🗑
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| show | Alveolar hypoventilation
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| show | Bicarbonate ingestion, vomiting, diuretics, steroids, adrenal disease
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| Metabolic acidosis causes | show 🗑
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| show | metabolic compensation
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| show | no compensation
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| show | respiratory compensation
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| show | no compensation
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| show | low pH; ^ pCO2 ;increased HCO3
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| show | low pH; ^ pCO2; normal HCO3
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| Respiratory compensation | show 🗑
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| Acidosis metabolic -no compensation | show 🗑
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| Metabolic acidosis potassium ( increased or decreased) | show 🗑
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| show | Decreased(metabolic)
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| Respiratory acidosis potassium ( increased or decreased) | show 🗑
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| show | Decreased ( respiratory)
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| show | Metabolic alkalosis and acidosis
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| show | results in easier binding of oxygen to haemoglobin, but decreased ability to dissociate from haemoglobin and move to the tissues. Can cause hypoxia
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| show | alkalosis, hypocapnia, hyperthermia
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| show | Causes oxygen to associate poorly with haemoglobin but dissociate more readily at a tissue level. this can easily lead to tissue hypoxia from poor arterial oxygenation
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| show | Acidosis, hypercapnia, hyperthermia
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Created by:
Sdevries0982