Which of the following features incorporated into most modern endotracheal tubes assist in veri-fying proper tube placement?
1. Length markings on the curved body of the tube
2. Imbedded radiopaque indicator near the tube tip
3. Additional side port (Murphy eye) near the tube tip
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: A
Not shown, but included with most modern endotracheal tubes, is a radiopaque indicator that is embedded in the distal end of the tube body. This indicator allows for easy identification of tube position on radiograph.
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