Arterial Blood Gas Test
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Questions and Answers

What is the normal range for pH in arterial blood gas?

  • 6.95-7.05
  • 7.00-7.10
  • 7.35-7.45 (correct)
  • 8.20-8.30
  • Which component of arterial blood gases measures the pressure of carbon dioxide?

  • PaO2
  • pH
  • HCO3
  • PaCO2 (correct)
  • In arterial blood gas, what does an increase in hydrogen ions (H+) do to pH?

  • Stabilizes pH
  • Increases pH (alkalotic)
  • Decreases pH (acidotic) (correct)
  • No effect on pH
  • Which medical specialty may use ABGs to investigate patients on initial presentation?

    <p>Emergency medicine</p> Signup and view all the answers

    What is the normal range for the partial pressure of carbon dioxide (pCO2) in arterial blood gas?

    <p>35-45 mmHg</p> Signup and view all the answers

    How does an increase in carbon dioxide pressure affect pCO2 in arterial blood gas?

    <p>Increases pCO2</p> Signup and view all the answers

    Which component of ABGs measures the bicarbonate level?

    <p>[HCO3]</p> Signup and view all the answers

    What does an increase in HCO3 level indicate about the pH in arterial blood gas?

    <p>Increases pH (alkalotic)</p> Signup and view all the answers

    Which setting would likely use ABGs to assess if a patient is requiring more oxygen therapy?

    <p>Anesthesiology</p> Signup and view all the answers

    What is the main purpose of ABGs in emergency medicine on initial presentation?

    <p>To investigate acid-base balance</p> Signup and view all the answers

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