All of the following statements about the use of a Lukens tr…

All of the following statements about the use of a Lukens trap are true EXCEPT:    A.A vacuum source is needed.    B.All connections must be tight for it to work properly.    C.Either a suction catheter or a bronchoscope is also needed.    D.It is used to collect a sputum sample from a patient with a strong, productive cough.

After insertion of an esophageal-tracheal Combitube, you beg…

After insertion of an esophageal-tracheal Combitube, you begin ventilation through the #1 pharyngeal airway connection. Your partner reports an absence of breath sounds and the presence of gurgling over the epigastrium. To provide effective ventilation, what should you do?

During fiberoptic bronchoscopy, a patient’s SpO2 drops from…

During fiberoptic bronchoscopy, a patient’s SpO2 drops from 91% to 87%. Which of the following actions would be appropriate?I. Apply suction through the scope’s open channel.II. Give oxygen through the scope’s open channel.III. Increase the cannula or mask oxygen flow.

Before a patient does an FVC test, the pneumotachometer shou…

Before a patient does an FVC test, the pneumotachometer should have the following done:    A.The gas analyzer should be calibrated.    B.A CO2-absorbing material should be placed in line with the circuit.    C.A 3-L volume should be pumped into and out of the circuit to check for leaks.    D.The kymograph speeds should be checked.