A patient admitted with probable emphysema is scheduled for diagnostic tests. What test should the nurse expect to be prescribed to assess the patient's acid?base balance?
1. bronchoscopy
2. sputum studies
3. pulse oximetry
4. arterial blood gases (ABGs)
Correct Answer: 4
ABGs are done to assess alterations in acid?base balance caused by respiratory disorders, metabolic disorders, or both. A bronchoscopy provides visualization of internal respiratory structures. Sputum studies can provide specific information about bacterial organisms. Pulse oximetry is a noninvasive test that evaluates the oxygen saturation level of blood.
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