Special endotracheal tubes are used for general anesthesia when a laser is used. What solution is used to detect a perforated endotracheal cuff?
a. Normal saline
b. Methylene blue dye
c. Indigo Carmine
d. Lymphazurin
ANS: B
Methylene blue dye in sterile saline is recommended for filling the endotracheal tube cuff. If the cuff is perforated, the dye acts as the indicator.
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