What method is used as final confirmation of the proper placement of an endotracheal tube?
Pulse oximetry
Blood gas analysis
Stethoscope
Chest X-ray
The Correct Answer is D
A. Pulse oximetry indicates oxygenation but does not confirm tube placement.
B. Blood gas analysis provides information about ventilation and oxygenation but does not confirm tube position.
C. Auscultation with a stethoscope helps assess placement but is not definitive.
D. Chest X-ray is the gold standard for final confirmation of endotracheal tube placement, ensuring the tube tip is correctly positioned above the carina.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Decontamination is the priority to prevent further chemical injury and reduce the risk of fire or inhalation hazards from residual gasoline on the skin or clothing.
B. Knowing the amount of gasoline exposure is useful but secondary to immediate decontamination.
C. Last meal time is important for anesthesia considerations but not the immediate priority in burn management.
D. Elevating the head of the bed can be helpful but is not the first priority in this situation.
Correct Answer is D
Explanation
A. Each suction pass should be limited to 10-15 seconds to minimize hypoxia and trauma, not 25 seconds.
B. Suctioning should generally be limited to 2-3 passes per session to reduce airway irritation and hypoxia.
C. Suction should only be applied when withdrawing the catheter, not while advancing it, to prevent mucosal damage and hypoxia.
D. Preoxygenating the client with 100% oxygen for 30 seconds to 3 minutes before suctioning helps prevent hypoxemia during the procedure, especially important in clients with COPD and artificial airways.
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