ABG Interpretation Exam with ans 2025
1. What is the 1st step in ABG interpretation? Allen's test
2. What is hypoxemia? Low oxygen in the blood
3. What is acidaemia [pH value, H+ ions]? pH < 7.35
Increase in H+ ions
4. What is alkalaemia [pH value, H+ ions]? pH > 7.45
Decrease in H+ ions
5. PaCO2 is regulated by what organ? Lungs
6. An increase in PaCO2 indicates what? Decreased ventilation
7. A decrease in PaCO2 indicates what? Increased ventilation
8. Acidemia and a raised PaCO2 indicates which Primary respiratory acidosis
state?
9. Alkalemia and a decreased PaCO2 indicates Primary respiratory alkalosis
which state?
10. Bicarbonate is regulated by what organ? Kidneys
11. Low bicarbonate levels and base excess < Metabolic acidosis
-2mmol/L indicate what?
12. Alkalosis and High bicarbonate levels indicate Metabolic Alkalosis
what?
13. Acidemia and low bicarbonate indicate what Primary metabolic acidosis
state?
14. Alkalosis and high bicarbonate indicate what Primary metabolic alkalosis
state?
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1. What is the 1st step in ABG interpretation? Allen's test
2. What is hypoxemia? Low oxygen in the blood
3. What is acidaemia [pH value, H+ ions]? pH < 7.35
Increase in H+ ions
4. What is alkalaemia [pH value, H+ ions]? pH > 7.45
Decrease in H+ ions
5. PaCO2 is regulated by what organ? Lungs
6. An increase in PaCO2 indicates what? Decreased ventilation
7. A decrease in PaCO2 indicates what? Increased ventilation
8. Acidemia and a raised PaCO2 indicates which Primary respiratory acidosis
state?
9. Alkalemia and a decreased PaCO2 indicates Primary respiratory alkalosis
which state?
10. Bicarbonate is regulated by what organ? Kidneys
11. Low bicarbonate levels and base excess < Metabolic acidosis
-2mmol/L indicate what?
12. Alkalosis and High bicarbonate levels indicate Metabolic Alkalosis
what?
13. Acidemia and low bicarbonate indicate what Primary metabolic acidosis
state?
14. Alkalosis and high bicarbonate indicate what Primary metabolic alkalosis
state?
1/3
