Ward Class Oxygenation Quiz

What is the normal pH range of arterial blood?

• 7.25–7.45

• 7.35–7.45

• 7.45–7.55

• 7.30–7.50

Arterial blood gas test includes the following measurements except:

• pH

• Bicarbonate

• Hematocrit

• O2 Sat

Key indications in ABG test except:

• Critical Illness

• Suspected poisoning

• Respiratory Distress

• Myocardial infraction

What is the most appropriate site for ABG sampling?

• Ulnar artery

• Radial artery

• Brachial vein

• Femoral vein

What is the normal range for PaCO₂ in arterial blood?

• 80–100 mmHg

• 30–40 mmHg

• 7.35–7.45

• 35–45 mmHg

Which of the following should the nurse do immediately after drawing an ABG sample?

• Shake the syringe to mix the blood

• Leave the syringe open to air

• Place the sample in a warm water bath

• Apply pressure to the puncture site for 5 minutes (or longer if on anticoagulants)

How should the ABG sample be handled after collection?

• Expose it to air to allow gas exchange

• Place it in a heparinized glass syringe and put it on ice if there is a delay

• Send it to the lab in a plastic syringe without delay

• Store it at room temperature

Which personal protective equipment (PPE) is mandatory during ABG collection?

• Gloves only

• Gloves, gown, and face shield

• Gloves and gown

• Gloves and safety goggles

What is the normal range of HCO3?

• 80-100mmHg

• 85-105 mmHg

• 22-26 mEq/L

• 27-35 mEq/L

ABG values: pH 7.20, PaCO₂ 50 mmHg, HCO₃⁻ 24 mEq/L. What is the likely interpretation?

• Metabolic alkalosis

• Metabolic acidosis

• Respiratory alkalosis

• Respiratory acidosis