Practice Quiz

Respiratory Therapist

Category - Initiation and Modification of Interventions

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After placement of an endotracheal tube, what is the best tool a therapist can utilize to verify proper tube placement?
  1. A capnometer
  2. ECG wave
  3. Pulse oximeter
  4. 3L syringe
Explanation
Answer:-A - A capnometer will confirm proper placement of an endotracheal tube as it detects the presence of CO2, which is present with gas exchange.

An ECG wave displays the cardiac wave, not endotracheal placement. A pulse oximeter will verify oxygen saturation but does not confirm endotracheal placement. A 3L syringe or “super syringe” is used to calibrate a spirometry machine.
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