This quiz is designed as a pretest to determine retention of prior knowledge regarding arterial blood gas (ABG) analysis.
Questions and Answers
A 54-year-old male with a long history of smoking complains of excessive tiredness and shortness of breath. Lab results reveal decreased pH, increased pCO2, and normal bicarbonate ion. The most likely diagnosis is:
A. respiratory alkalosis
B. metabolic acidosis
C. respiratory acidosis
D. metabolic alkalosis
Metabolic alkalosis may be caused by vomiting.
In analyzing the results of a patient's blood gas analysis, the nurse will be most concerned about an:
A. Arterial oxygen tension (PO2) of 60 mm Hg
B. Arterial oxygen saturation (SaO2) of 92%
C. Arterial carbon dioxide (PCO2) of 42 mm Hg
D. Arterial bicarbonate level (HCO3) of 26 mEq/L
A patient is coming to the emergency department with a diagnosis of an opioid overdose. The nurse would anticipate that the patient's PCO2 will be:
The patient's ABG results indicate metabolic acidosis. Which of the following conditions may have contributed to these results?
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