Acid-Base Disturbance Classification
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Questions and Answers

What is the traditional classification of acid–base disturbance?

  • By alveolar ventilation and hypoventilation
  • By pH disturbance and aetiology
  • By volatile and non-volatile acids
  • By respiratory and metabolic origin (correct)

    • What are acids of respiratory origin known as?

  • Fixed acids
  • Non-volatile acids
  • Volatile acids (correct)
  • Alkaline acids

    • What may cause hypoventilation in respiratory acidosis?

  • Overactive respiratory centre
  • Depression of the respiratory centre (correct)
  • Reduced carbon dioxide levels
  • Acidic environment in the lungs

    • What results in respiratory acidosis?

    <p>Decreased alveolar ventilation</p> Signup and view all the answers

    What condition may lead to a decrease in alveolar ventilation and a PaCO2 >6.0?

    <p>Obesity hypoventilation syndrome</p> Signup and view all the answers

    What term is used when the kidneys increase HCO3 reabsorption as a metabolic compensation for respiratory acidosis?

    <p>Metabolic compensation</p> Signup and view all the answers

    Which disorder is characterized by low plasma HCO3 concentration?

    <p>Metabolic acidosis</p> Signup and view all the answers

    Which condition may result in an increase in fixed acid, leading to metabolic acidosis?

    <p>Obesity hypoventilation syndrome</p> Signup and view all the answers

    What may cause hypercapnoeic acidosis in the context of anesthesia?

    <p>All of the above</p> Signup and view all the answers

    What is a potential cause of hypercapnoeic acidosis related to laparoscopic surgery?

    <p>Re-breathing CO2-containing exhaled gases</p> Signup and view all the answers

    What term is used for the increase in HCO3 reabsorption by the kidneys as a metabolic compensation for respiratory acidosis?

    <p>Metabolic compensation</p> Signup and view all the answers

    Which condition may lead to a persistent respiratory acidosis and increased HCO3 reabsorption by the kidneys?

    <p>Obesity hypoventilation syndrome</p> Signup and view all the answers

    What term refers to the characteristic of metabolic acidosis with low plasma HCO3 concentration?

    <p>Metabolic acidosis</p> Signup and view all the answers

    In which condition may an increase in fixed acid lead to metabolic acidosis?

    <p>Obesity hypoventilation syndrome</p> Signup and view all the answers

    What may contribute to hypercapnoeic acidosis in the context of anesthesia?

    <p>All of the above</p> Signup and view all the answers

    What is a potential cause of hypercapnoeic acidosis related to laparoscopic surgery?

    <p>Re-breathing CO2-containing exhaled gases</p> Signup and view all the answers

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