NBRC Airway Management 3

Question 1

Oral suctioning with a Yankauer catheter should be limited to:

Accepted Answer

10–15 second intervals

Answer

30-second intervals

Answer

15-second intervals

Answer

5-minute intervals

Question 2

Closed-suction catheter systems are preferred in mechanically ventilated patients primarily to:

Accepted Answer

Maintain PEEP and prevent circuit contamination during suctioning

Answer

Reduce cost compared to open suctioning

Answer

Allow suctioning without nursing assistance

Answer

Deliver medications during suctioning

Question 3

Which sign indicates that a tracheostomy tube cuff is overinflated?

Accepted Answer

Tracheal mucosal ischemia and pressure necrosis over time

Answer

Audible air leak around the tube

Answer

Patient able to speak with tube in place

Answer

Decreased peak airway pressures

Question 4

Heat and moisture exchangers (HMEs) used in ventilator circuits function by:

Accepted Answer

Capturing heat and moisture from exhaled air and returning it to the next breath

Answer

Actively heating inspired air with an electric heating element

Answer

Infusing sterile water directly into the circuit

Answer

Filtering only bacterial contaminants

Question 5

During orotracheal suctioning, the catheter should be inserted to what depth before applying suction?

Accepted Answer

Until resistance is met (carina level), then withdrawn 1 cm

Answer

5 cm past the lips

Answer

Past the carina into the right mainstem bronchus

Answer

Only to the level of the vocal cords

Question 6

Which complication is specific to tracheostomy and not typically seen with endotracheal intubation?

Accepted Answer

Tracheoinnominate artery fistula

Answer

Inadvertent extubation

Answer

Subglottic stenosis

Answer

Cuff overinflation injury