15- ABG ANALYSIS

What is the normal pH range of arterial blood?

• 7.5 - 8.0

• 7.35 - 7.45

• 6.5 - 7.0

• 6.8 - 7.2

Which component of ABG measures the pressure of oxygen dissolved in the blood?

• PaCO2

• HCO3

• PaO2

• pH

What does a low pH in ABG indicate?

• Hyperoxemia

• Normal

• Acidosis

• Alkalosis

In respiratory acidosis, what happens to the pH and PaCO2 levels?

• pH decreases, PaCO2 decreases

• pH decreases, PaCO2 increases

• pH increases, PaCO2 decreases

• pH increases, PaCO2 increases

What is the main function of the bicarbonate buffer system in the body?

• Regulate oxygen levels

• Maintain blood pH

• Produce red blood cells

• Control heart rate

Which condition is characterized by a pH above 7.45 in ABG?

• Hypoxemia

• Normal

• Alkalosis

• Acidosis

What is the primary cause of metabolic acidosis?

• Kidney failure

• Hyperventilation

• Dehydration

• High oxygen levels

In respiratory alkalosis, what happens to the pH and PaCO2 levels?

• pH decreases, PaCO2 decreases

• pH decreases, PaCO2 increases

• pH increases, PaCO2 decreases

• pH increases, PaCO2 increases

What does a high HCO3 level indicate in ABG?

• Acidosis

• Hypoxemia

• Normal

• Alkalosis

Which component of ABG measures the amount of oxygen in the blood?

• HCO3

• pH

• PaCO2

• PaO2