NEW
Font size
WorksheetsUnderstanding Arterial Blood Gases
Total questions: 10
Worksheet time: 5mins
Which of the following is NOT typically measured in an ABG analysis?
pH
PaCO2
Hemoglobin
HCO3
What is the normal reference range for arterial pH in adults?
7.00–7.20
7.35–7.45
7.50–7.60
7.75–8.75
What is the normal reference range for arterial PaO2 in adults?
50–70 mmHg
35–45 mmHg
80–100 mmHg
120–140 mmHg
Which component of the ABG reflects the respiratory function of the lungs?
PaO2
PaCO2
HCO3
pH
Which of the following conditions is most likely to cause a decreased PaO2 on ABG?
Hyperventilation
Pulmonary embolism
Metabolic acidosis
Renal failure
If a patient has a low pH, low HCO3, and low PaCO2, what is the most likely primary disturbance?
Metabolic acidosis
Respiratory acidosis
Metabolic alkalosis
Respiratory alkalosis
A patient’s ABG shows: pH = 7.30, PaCO2 = 50 mmHg, HCO3 = 24 mEq/L. Which acid-base disturbance is present?
Metabolic acidosis
Respiratory acidosis
Metabolic alkalosis
Respiratory alkalosis
A patient’s ABG results are: pH = 7.48, PaCO2 = 32 mmHg, HCO3 = 23 mEq/L. What is the most likely diagnosis?
Metabolic acidosis
Respiratory acidosis
Metabolic alkalosis
Respiratory alkalosis
A patient presents with confusion and rapid breathing. ABG shows: pH = 7.25, PaCO2 = 28 mmHg, HCO3 = 12 mEq/L. What is the most likely underlying cause?
Diabetic ketoacidosis
Opioid overdose
Panic attack
Vomiting
A patient’s ABG shows: pH = 7.50, PaCO2 = 48 mmHg, HCO3 = 36 mEq/L. What is the most likely acid-base disturbance and its compensation status?
Metabolic alkalosis with partial respiratory compensation
Respiratory alkalosis with partial metabolic compensation
Metabolic acidosis with full respiratory compensation
Respiratory acidosis with full metabolic compensation
