Lange Ch4

Question 1

Ch4:Machine with 2 stage pressure regulation for O2 and N2O

Answer 1

Datex-Ohmeda (O2 to 20psi and N20 to 38psi)

Question 2

Ch4:Below what min O2 pressure is N2O and other gases shut off?

Answer 2

0.5 psi for N20 and 10 psi for other gases

Question 3

Ch4: what separates the high pressure circuit from the low pressure circuit in the anesthesia machine?

Answer 3

flow valves

Question 4

Ch4:Electronic desflurane vaporizer doesn’t compensate for altitude changes so concentration needs to be manually increased or decreased at high altitudes?

Answer 4

Increased because of decrease in partial pressure

Question 5

Ch4: Increased PIP with unchanged plateau pressure is caused by?

Answer 5

Increased inspiratory gas flows or increased airway resistance