Are you an Anesthesia
Airway Expert?

Take the quiz and find out.

1. The primary factor(s) I should consider when choosing the size of an ETT is:

2. The average diameter of the adult trachea is:

Male mm. Female mm

3. The diameter of the adult trachea corresponds best to:

4. The accurate method(s) of cuff inflation:

5. Endotracheal tube pilot balloons should be inflated to a cuff pressure of between ___________ and ___________cm H₂O pressure.

and

6. The injection and palpation technique of cuff inflation is accurate and safe.

7. Tracheal perfusion pressure is __________ cm H₂O pressure

8. The length of time a high pressured ETT cuff can be in place before complications develop is:

9. Average time from intubation to the diagnosis of subglottic stenosis is:

10. Name two complications of an over-inflated and an under-inflated ETT cuff:

over-inflated: under-inflate:

11. The artery(s) that supplies the subglottic region of the trachea is:

13. The cuff of the ETT is low pressure:

14. Routine standard size ETTs are based on sound scientific data:

15. The cuff pressure when tracheal perfusion is compromised: ____________cm H₂O pressure.

16. The cuff pressure that places patients at risk of aspiration: ____________cm H₂O pressure.

17. An intubation must be recent to be the cause of SGS:

18. A size 7 ETT is the one best size for women:

19. The main cause of post-intubation tracheal stenosis is:

20. List corresponding outer diameter to the inner diameter and balloon inflation diameter to the ETT sizes:

ETT SIZE OUTER DIAMETER INNER DIAMETER BALLOON INFLATION DIAMETER
6.0
6.5
7.0
7.5
8.0
8.5

21. Since more women than men are diagnosed with SGS, it is due to hormones