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 (A)</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 (B)</p> Signup and view all the answers

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

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

Which component of ABGs measures the bicarbonate level?

<p>[HCO3] (A)</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) (B)</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 (C)</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 (D)</p> Signup and view all the answers

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