CAA CAA Anesthesia Equipment & Technology 2

Question 1

Which FDA-mandated checkout step requires occluding the patient port and confirming no pressure loss on the breathing system?

Accepted Answer

Low-pressure system leak test

Answer

High-pressure system leak test

Answer

Pipeline pressure check

Answer

Absorber bypass test

Question 2

The desflurane Tec 6 vaporizer requires an external power source primarily because:

Accepted Answer

Desflurane has an extremely low boiling point requiring active heating to 39°C

Answer

Desflurane is flammable at room temperature

Answer

Desflurane concentration cannot be dialed manually

Answer

Desflurane requires carrier gas pressurization

Question 3

Which anesthesia ventilator mode delivers a set tidal volume regardless of changes in lung compliance?

Accepted Answer

Volume-controlled ventilation (VCV)

Answer

Pressure-controlled ventilation (PCV)

Answer

Pressure support ventilation (PSV)

Answer

Synchronized intermittent mandatory ventilation (SIMV)

Question 4

In a Mapleson D (Bain) circuit, adequate CO2 elimination during spontaneous ventilation requires fresh gas flow of approximately:

Accepted Answer

200–300 mL/kg/min

Answer

50 mL/kg/min

Answer

100–150 mL/kg/min

Answer

500 mL/kg/min

Question 5

The adjustable pressure-limiting (APL) valve on an anesthesia circuit is used to:

Accepted Answer

Control maximum circuit pressure during manual or spontaneous ventilation

Answer

Set inspiratory flow rate during mechanical ventilation

Answer

Regulate the oxygen-to-nitrous ratio

Answer

Measure end-tidal CO2 concentration

Question 6

Mainstream capnography differs from sidestream capnography in that mainstream analyzers:

Accepted Answer

Place the measurement sensor directly in the airway at the patient connection

Answer

Sample gas by aspirating it to a remote analyzer

Answer

Provide faster response times but require larger sample volumes

Answer

Are incompatible with intubated patients