The nurse is caring for a patient receiving a continuous albuterol nebulizer for an acute asthma attack. Which arterial blood gas result would indicate that the treatment has been effective?
ABG Value |
Normal Range |
pH |
7.35- 7.45 |
PaCO2 |
35-45 mm Hg |
HCO3 |
22-25 mEq/L |
Base excess |
-2 to +2 |
PaO2 |
80-95 mm Hg |
SaO2 |
>95% |
pH 7.39, PaO2 88 mmHg, PaCO2 35 mmHg, HCO3 23 mEq/L
pH 7.52, PaO2 86 mmHg, PaCO2 30 mmHg, HCO3 22 mEq/L
pH 7.35, PaO2 75 mmHg, PaCO2 48 mmHg, HCO3 27 mEq/L
pH 7.30, PaO2 90 mmHg, PaCO2 44 mmHg, HCO3 18 mEq/L
The Correct Answer is A
A. A pH within the normal range, a PaCO2 within the normal range, and an improved PaO2 level suggest effective treatment for an asthma attack, indicating adequate gas exchange and resolution of respiratory distress.
B. A pH of 7.52 and low PaCO2 suggest respiratory alkalosis, which can occur with hyperventilation and may indicate overventilation rather than effective asthma treatment.
C. This result shows elevated PaCO2 and borderline low PaO2, indicating ongoing respiratory acidosis and hypoxia, suggesting the treatment is not yet effective.
D. This ABG result shows low pH, indicating acidosis, and a low bicarbonate level, which may indicate metabolic acidosis rather than effective asthma management.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E"]
Explanation
A. Padded tongue blades are not appropriate for seizure management and are not necessary in this context.
B. Soft wrist restraints are not required in this scenario unless otherwise indicated.
C. An Ambu bag and oxygen are crucial for respiratory support, especially if the patient has compromised breathing due to spinal cord injury.
D. Wrenches should be readily available to quickly remove halo traction in case of an emergency, such as if the patient's airway needs to be accessed.
E. An oral suction tube (Yankauer) is important for managing oral secretions, which can be challenging for patients with limited mobility.
Correct Answer is D
Explanation
A. Using a draw sheet may cause twisting, which can compromise spinal alignment.
B. Asking the patient to assist may risk further spinal injury.
C. Turning hips and shoulders separately risks disrupting spinal alignment, making this an unsafe approach.
D. Log rolling is the safest way to turn a patient with a spinal cord injury, maintaining spinal alignment and preventing further injury. It requires one person to stabilize the head while others turn the body as a single unit.
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