Practice

Question 1

Orotracheal tube length (teeth to middle point of trachea)

Answer 1

Subject height/10+3

Question 2

Nasotracheal tube length (external naris to middle point of trachea )

Answer 2

Subject height/10+8

Question 4

14 G 50 mm cannula

Answer 4

Maximum Rate of Flow with Gravity (mL/min) 236.1
Maximum Rate of Flow with Pressure (mL/min) 334.4 18 .

Question 5

16g 50mm canula

Answer 5

Maximum Rate of Flow with Gravity (mL/min) 154.7
Maximum Rate of Flow with Pressure (mL/min) 334.4

Question 6

18g 45 mm canula

Answer 6

Maximum Rate of Flow with Gravity (mL/min) 98.1
Maximum Rate of Flow with Pressure (mL/min) 153.1

Question 7

320 g 33mm canula

Answer 7

Maximum Rate of Flow with Gravity (mL/min) 64.4
Maximum Rate of Flow with Pressure (mL/min) 105.1

Question 8

22 g 25mm canula

Answer 8

Maximum Rate of Flow with Gravity (mL/min) 35.7
Maximum Rate of Flow with Pressure (mL/min) 71.4

Question 9

15 G 25 mm intraosseous needle (tibial)

Answer 9

Maximum Rate of Flow with Gravity (mL/min) 68.2
Maximum Rate of Flow with Pressure (mL/min) 204.6