CAA CAA Anesthesia Techniques & Airway Management

Question 1

The LEMON mnemonic is used for predicting difficult direct laryngoscopy. What does the letter 'E' represent?

Accepted Answer

Evaluation of the 3-3-2 rule

Answer

Edema of the airway

Answer

Extension of the neck

Answer

Epiglottis visualization

Question 2

Which laryngoscope blade design is recommended for patients with a long, floppy epiglottis?

Accepted Answer

Miller straight blade

Answer

Macintosh curved blade

Answer

McCoy levering blade

Answer

Bullard blade

Question 3

During rapid sequence induction (RSI), cricoid pressure (Sellick maneuver) is applied to:

Accepted Answer

Compress the esophagus against the vertebral body to prevent passive regurgitation

Answer

Open the glottis and facilitate intubation

Answer

Improve laryngoscopic view by displacing the larynx posteriorly

Answer

Prevent vasovagal response during laryngoscopy

Question 4

The recommended cuff pressure for a standard endotracheal tube is:

Accepted Answer

20–30 cmH2O

Answer

5–10 cmH2O

Answer

40–50 cmH2O

Answer

60–80 cmH2O

Question 5

Which feature distinguishes a laryngeal mask airway (LMA) from an endotracheal tube?

Accepted Answer

The LMA sits in the hypopharynx over the laryngeal inlet and does not pass through the vocal cords

Answer

The LMA provides a definitive airway with protection against aspiration

Answer

The LMA requires neuromuscular blockade for insertion

Answer

The LMA cannot be used during mechanical ventilation

Question 6

Preoxygenation prior to induction of anesthesia is performed to:

Accepted Answer

Denitrogenate the functional residual capacity to extend the safe apnea time

Answer

Reduce the dose of induction agent required

Answer

Prevent bronchospasm during intubation

Answer

Decrease the risk of post-operative nausea and vomiting