Anesthesia Machine & Compressed Gases

Question 1

where on the anesthesia machine is the best place to sample CO2?

Answer 1

closest to patient has maximum waveform fidelity

Question 2

the Bain breathing circuit is a modification of which mapleson circuit type?

Answer 2

D

Question 3

to what pressure is E-cylinder O2 regulated in an anesthesia machine?

Answer 3

45-50 psi

Question 4

What happens when the connection between the anesthesia ventilator and the anesthesia
scavenging system becomes occluded?

Answer 4

Barotrauma – if there is obstruction of the transfer tubing from the patient breathing circuit to the scavenging system will isolate the patient breathing circuit from the positive-pressure relief valve of the scavenging interface‡can lead to barotrauma.

Question 5

what is true of FGF and the Bain circuit?

Answer 5

FGF must be 1-2 MV to prevent rebreathing