Sidestream capnography involves taking a sample of the exhaled air by aspirating a small amount of it from the exhaled air stream, either from the endotracheal tube or through the use of a modified nasal cannula.

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This statement is true. Sidestream capnography involves sampling a small amount of exhaled air from the air stream, usually through a modified nasal cannula or by aspirating it from the endotracheal tube.

Sidestream Capnography Involves Taking a Sample of the Exhaled Air