ABG Interpretation Quiz: Acidosis or Alkalosis?

1. A patient presents with pH 7.32, PaCO₂ 55 mmHg, and HCO₃⁻ 24 mEq/L. What acid-base disturbance is present?

Respiratory acidosis with normal compensation

Metabolic acidosis

Respiratory alkalosis

Metabolic alkalosis

2. Which blood gas finding indicates metabolic alkalosis?

PH > 7.45, HCO₃⁻ > 26 mEq/L

PH < 7.35, HCO₃⁻ < 22 mEq/L

PH > 7.45, PaCO₂ > 50 mmHg

PH < 7.35, PaCO₂ < 35 mmHg

3. A patient has pH 7.50, PaCO₂ 30 mmHg, and HCO₃⁻ 24 mEq/L. What is the primary disorder?

Metabolic acidosis

Respiratory alkalosis

Metabolic alkalosis

Respiratory acidosis

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5. A patient with COPD has pH 7.35, PaCO₂ 60 mmHg, HCO₃⁻ 32 mEq/L. What does this represent?

Acute respiratory acidosis

Chronic respiratory acidosis with renal compensation

Mixed respiratory and metabolic acidosis

Respiratory alkalosis with metabolic compensation

6. Which condition causes metabolic acidosis with a normal anion gap?

Diabetic ketoacidosis

Diarrhea

Lactic acidosis

Sepsis

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8. A patient's ABG shows pH 7.28, PaCO₂ 48 mmHg, HCO₃⁻ 20 mEq/L. Which disorder is primary?

Primary respiratory acidosis

Primary metabolic acidosis

Primary respiratory alkalosis

Primary metabolic alkalosis

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10. A patient hyperventilating due to anxiety has pH 7.48, PaCO₂ 28 mmHg, HCO₃⁻ 21 mEq/L. What is the acid-base status?

Respiratory acidosis

Metabolic acidosis

Acute respiratory alkalosis

Chronic metabolic alkalosis

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12. True or False: In respiratory acidosis, PaCO₂ is elevated and pH is decreased.

True

False

13. A patient on a ventilator has pH 7.52, PaCO₂ 32 mmHg, HCO₃⁻ 25 mEq/L. What adjustment is needed?

Increase ventilation rate

Decrease ventilation rate

Increase FiO₂

Add PEEP

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15. True or False: An anion gap greater than 12 mEq/L always indicates metabolic acidosis.

True

False

ABG Interpretation Quiz: Acidosis or Alkalosis?

1. A patient presents with pH 7.32, PaCO₂ 55 mmHg, and HCO₃⁻ 24 mEq/L. What acid-base disturbance is present?

2.

What first name or nickname would you like us to use?

2. Which blood gas finding indicates metabolic alkalosis?

3. A patient has pH 7.50, PaCO₂ 30 mmHg, and HCO₃⁻ 24 mEq/L. What is the primary disorder?

4. In respiratory acidosis, the kidneys respond by ____.

5. A patient with COPD has pH 7.35, PaCO₂ 60 mmHg, HCO₃⁻ 32 mEq/L. What does this represent?

6. Which condition causes metabolic acidosis with a normal anion gap?

7. For metabolic acidosis, respiratory compensation involves ____.

8. A patient's ABG shows pH 7.28, PaCO₂ 48 mmHg, HCO₃⁻ 20 mEq/L. Which disorder is primary?

9. In acute respiratory alkalosis, HCO₃⁻ typically drops by approximately ____ for every 10 mmHg decrease in PaCO₂.

10. A patient hyperventilating due to anxiety has pH 7.48, PaCO₂ 28 mmHg, HCO₃⁻ 21 mEq/L. What is the acid-base status?

11. Elevated anion gap metabolic acidosis is most commonly caused by ____.

12. True or False: In respiratory acidosis, PaCO₂ is elevated and pH is decreased.

13. A patient on a ventilator has pH 7.52, PaCO₂ 32 mmHg, HCO₃⁻ 25 mEq/L. What adjustment is needed?

14. The primary mechanism for respiratory compensation of metabolic alkalosis is ____.

15. True or False: An anion gap greater than 12 mEq/L always indicates metabolic acidosis.