Practice Question
The arterial blood gas (ABG) results for a patient who overdosed on barbiturates are pH = 7.32, PaCO2 = 52, and HCO3 = 23. Which interpretation would the nurse rely on when planning the patient's care?
Answer Choices:
Correct Answer:
Respiratory acidosis.
Rationale:
◈ ABG: pH = 7.32 (acidic), PaCO₂ = 52 mmHg (elevated), HCO₃ = 23 (normal)
◈ Elevated CO₂ with low pH indicates respiratory acidosis, likely from hypoventilation due to barbiturate overdose.
◈ Barbiturates suppress the respiratory center, leading to CO₂ retention.
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This question is from RN-Hesi Medical Surgical-Hematological System which contains 52 questions.
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From Exam
RN-Hesi Medical Surgical-Hematological System
52 Questions
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- Category: RN Nursing Exam(s)
- Subcategory: HESI Exam(s)
- Domain: Hesi MedSurg
- Answer Choices: 4