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Are the following true or false in a standard endotracheal tube?

True / False

A Murphy's eye is always above the pilot balloon Correct

The proximal end connector that connects to the breathing system has a 22 mm outer diameter Incorrect answer selected

The "size" of an endotracheal tube refers to its internal diameter Incorrect answer selected

The notation on tubes (IT or Z79-IT) refer to implant testing Correct

The bevel faces right to facilitate intubation Correct

Explanation

In a standard endotracheal tube the bevel faces left to facilitate intubation.

The size refers to its internal diameter while the Murphy's eye, an alternative port for gases should the bevel somehow get blocked, is always below the pilot balloon.

The notation on tubes (IT or Z79-IT) refers to tissue implant testing in Rabbits, an American Standard.

The proximal end connector that connects to the breathing system has a standard 15 mm outer diameter.

Further Reading:

How Medical Equipment Works Explained Simply. Preformed endotracheal tubes.

Answer Statistics

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Average score: 70.38%

Times answered: 289