Anesthesia Technology Exam 1
Settings
This exam will cover weeks 1-5 of technology for anesthesia
- 1.
- A.
Flowmeter tubes
- B.
Vaporizers
- C.
Check valves
- D.
Common gas outlet
- E.
All of the above
- 2.What is a thorpe tube?
- A.
A vaporizer
- B.
A flowmeter
- C.
Yoke hanger
- D.
Part of the DISS system
- 3.What is the last safeguard before the gases reach the patient?
- A.
ETT
- B.
Thorpe tube
- C.
Oxygen analyzer
- D.
Capnograph
- 4.At low laminar flows how are flowmeters calibrated?
- A.
It will depend on the type of flowmeter
- B.
viscosity
- C.
density
- D.
Relative humidity
- 5.At high laminar flows how are flowmeters calibrated?
- A.
It will depend on the type of flowmeter
- B.
viscosity
- C.
density
- D.
Relative humidity
- 6.Rate of gas flow is dependent upon what in the anesthesia machine?
- A.
Pressure drop across the constriction
- B.
Size of the annular opening
- C.
The physical properties of the gas
- D.
All of the above
- 7.Why is the oxygen flowmeter always the furthest to the right?
- A.
It will be closer to the CRNA during the specific procedure
- B.
Most CRNA's are right handed
- C.
To decrease the chance of hypoxic mixture
- D.
It will depend where the manufacturer has placed the cylinder yoke
- 8.When is an O2 analyzer reading erroneous?
- A.
When an LMA is used
- B.
A deflated ETT cuff
- C.
When used with nasal cannula
- D.
When it is used higher than sea level
- 9.
- A.
10
- B.
12
- C.
14
- D.
23
- E.
I don't know I was never good at math
- 10.How many sprockets are on a N2O flowmeter?
- A.
10
- B.
12
- C.
14
- D.
23
- 11.What is the minimum o2: N2O ration?
- A.
1:1
- B.
1:2
- C.
1:3
- D.
1:4
- 12.What is the purpose of the safety devices in the low flow system?
- A.
Increase the saturated vapor pressure
- B.
Minimize the density of the gas
- C.
Minimize turbulence throughout the system
- D.
Decrease the risk of a hypoxic mixture
- 13.When can the hypoxic guard system allow a hypoxic mix?
- A.
Wrong supply gas in oxygen pipeline or cylinder
- B.
Defective pneumatic or mechanical components
- C.
Leaks exist downstream of flow control valve
- D.
A third inert gas is used
- E.
All of the above
- 14.What is the method of regulating output concentration? choose all that apply
- A.
Flow over
- B.
Concentration calibrated
- C.
Measure flow
- D.
Bubble through
- E.
Injection
- 15.What is the method of vaporization? choose all that apply
- A.
Thermocompensation
- B.
Flow over
- C.
Injection
- D.
Heat supplied
- E.
Bubble through
- 16.How is temperature compensated for with vaporizers. choose all that apply
- A.
Thermocompensation
- B.
Injection
- C.
Flow over
- D.
Plenum
- E.
Supplied heat
- 17.How is specificity related to specific vaporizers. choose all that apply
- A.
Plenum
- B.
Low resistance
- C.
Agent specific
- D.
Injection
- E.
Multiple agent
- 18.How is resistance classified with specific vaporizers? choose all that apply
- A.
High resistence
- B.
Agent specific
- C.
Measured flow
- D.
Plenum
- E.
Low resistence
- 19.In regards to vapor pressure, what are its unique characteristics
- A.
VP is independent of atmospheric pressure
- B.
VP increases with an increase in temperature
- C.
VP depends only on the physical characteristics of the liquid and temperature
- D.
All of the above
- E.
None of the above
- 20.
- A.
Temperature increases
- B.
Solidifies
- C.
It cools
- D.
A steady state
- 21.What is the gas we use as a carrier gas for agents?
- A.
Air
- B.
N2O
- C.
Oxygen
- D.
CO
- E.
CO2
- 22.True or false modern vaporizers are within the breathing circuit?
- A.
True
- B.
False
- 23.What is a vaporizer interlock mechanism
- A.
Prevents the vaporizer from falling to floor and releasing its contents
- B.
Prevents the wrong agent from being placed into the vaporizer
- C.
Allows specific flowover to the breathing circuit
- D.
Prevents more than 1 vaporizer to be turned on at one time
- 24.Which of the following are housed within the circle system
- A.
Y-Piece and reservoir bag
- B.
CO2 absorber
- C.
Inspiratory and expiratory ports
- D.
APL valve
- E.
All of the above
- 25.What is the main purpose of the circle system?
- A.
To allow rapid transition to ambu bag
- B.
To prevent rebreathing of CO2
- C.
To help the scavenger system
- D.
All of the above
- 26.If the APL valve is closed and the ventilation bag squeezed where will all of it contents go
- A.
Scavenger system
- B.
To the patient
- C.
Back into the circle system
- D.
Hospital gas supply
- 27.If the APL valve is open and the ventilation bag squeezed where will all of it contents go
- A.
Scavenger system
- B.
The patient
- C.
The circle system
- D.
To the hospital gas supply
- 28.No question here but Review slide week 1 slide 61
- A.
OK
- B.
Bite Me Chris
- 29.What is the approximate water content of Soda Lime?
- A.
10-12%
- B.
12-14%
- C.
14-19%
- D.
23-37%
- 30.Which of the following are ventilator components?
- A.
Safety release valve
- B.
Driving gas supply
- C.
Injector
- D.
Bellows assembly
- E.
All of the above
- 31.What are the alarm levels
- A.
Awareness
- B.
Immediate action
- C.
Prompt action
- D.
All of the above
- 32.Which of the following represent Bernoulli's law, at a constriction? choose all that apply
- A.
Flow is higher
- B.
Flow is lower
- C.
Pressure is higher
- D.
Pressure is lower
- 33.What does an ascending bellow do during inspiration
- A.
Descend
- B.
Ascend
- C.
No movement
- 34.What is the major safety concern with a descending bellow when a disconnection occurs
- A.
The bellows will collapse
- B.
There will be a N2O hypoxic mix
- C.
The bellows will continue their upward and downward movements
- D.
All of the above
- 35.What is the standard size in the U.S. for a scavenger system hose?
- A.
19mm
- B.
20mm
- C.
30mm
- D.
33mm
- 36.Which of the following are part of the scavenger system?
- A.
Gas collecting assembly
- B.
A transfer means
- C.
A gas disposal tubing
- D.
Gas disposal assembly
- E.
All of the above
- 37.Define regulations
- A.
Accepted methods of practice
- B.
Legal mandate
- C.
Micro-adjustments to the vaporizer
- D.
Who cares I am just a SRNA
- 38.What are standards?
- A.
Accepted methods of practice
- B.
Legal mandates
- C.
Based upon the MAC of a volatile agent
- D.
FIU let Chris into the CRNA program, they obviously have no standards, then why should I!
- 39.Which of the following does the FDA regulate? choose all that apply
- A.
Medical devices
- B.
Cylinders
- C.
Medications
- D.
Food
- 40.Which of the following regulate gas cylinders
- A.
FDA
- B.
NIOSH
- C.
OSHA
- D.
DOT
- E.
MLBPA
- 41.Which agency enforces a safe working environment
- A.
FDA
- B.
NIOSH
- C.
OSHA
- D.
DOT
- E.
MLBPA
- 42.Which agency writes criteria for OSHA to enforce
- A.
FDA
- B.
MLBPA
- C.
NIOSH
- D.
DOT
- E.
NFPA
- 43.Which agency writes standards for the prevention of fires?
- A.
DOT
- B.
FDA
- C.
NIOSH
- D.
NFPA
- E.
OSHA
- 44.Which of the following agencies writes standards for compressed gas cylinders?
- A.
MLBPA
- B.
FDA
- C.
CGA
- D.
NFPA
- E.
NIOSH
- 45.Who handles most standards affecting anesthesia
- A.
FDA
- B.
NIOSH
- C.
ASTM
- D.
CGA
- E.
NFPA
- 46.Which are parts of the medical gas cylinder?
- A.
Cylinder
- B.
Valve
- C.
Pressure Relief Device
- D.
Conical Depression
- E.
All of the above
- 47.What is the danger with Adiabatic compression?
- A.
Icing of cylinder
- B.
Rapid vaporization
- C.
Fire hazard with recompression
- D.
Fire hazard with decompression
- 48.What is the danger with Adiabatic expansion?
- A.
Rapid vaporization
- B.
Icing of cylinder
- C.
Fire hazard with recompression
- D.
An increase in volatile anesthetic delivery
- 49.When performing a hydrostatic test on a cylinder what is usually placed into that cylinder
- A.
N2
- B.
O2
- C.
Water
- D.
N2O
- 50.How often do low pressure gas cylinders need to be tested?
- A.
2 years
- B.
5 years
- C.
10 years
- D.
12 years
- 51.What is a gas cylinder usually made of when taking a patient to MRI?
- A.
Steel
- B.
Iron
- C.
Aluminum
- D.
Plastic
- E.
Rubber
- 52.What type of relief valve melts and releases gas at high temperature to prevent rupture?
- A.
Rupture disc
- B.
Aluminum
- C.
Relief association
- D.
Fusible plug
- 53.What type of relief valve breaks and releases gas at high pressure to prevent rupture?
- A.
Rupture disc
- B.
Combination
- C.
Relief association
- D.
Fusible plug
- 54.What is PISS
- A.
Diameter index safety system
- B.
Premature induction sevoflurane system
- C.
Pin index safety system
- D.
How most Irishmen feel at the end of a week of CRNA school without drinking beer
- 55.What is the PISS of O2
- A.
1,5
- B.
2,5
- C.
3,5
- D.
4,5
- 56.What is the PISS of N2O?
- A.
1,5
- B.
2,5
- C.
3,5
- D.
4,5
- 57.What is the PISS of Air
- A.
1,5
- B.
2,5
- C.
3,5
- D.
4,5
- 58.What is DISS
- A.
Diameter index safety system
- B.
Pin index safety system
- C.
Desflurane induction safety standards
- D.
What a Super senior will do to you at the hospital after asking them a stupid question
- 59.What gases are liquid in their cylinders? Choose all that apply
- A.
O2
- B.
Air
- C.
CO2
- D.
N2O
- E.
He
- 60.How many liters of gas are there in an E tank of N2O?
- A.
660
- B.
745
- C.
1,590
- D.
500
- 61.What color is an oxygen cylinder in the U.S.?
- A.
Green
- B.
Blue
- C.
Yellow
- D.
Gray
- E.
Brown
- 62.What color is an N2O cylinder in the U.S.?
- A.
Green
- B.
Blue
- C.
Yellow
- D.
Gray
- E.
Brown
- 63.What color is an helium cylinder in the U.S.?
- A.
Green
- B.
Blue
- C.
Yellow
- D.
Gray
- E.
Brown
- 64.How many liter of O2 are in a G cylinder?
- A.
660
- B.
1500
- C.
1200
- D.
5300
- 65.Define Vapor.
- A.
The amount of pressure in a cylinder
- B.
Conversion of a liquid to a gas
- C.
Gas phase of a substance that is liquid at room temperature and atmospheric pressure
- D.
All of the above
- 66.What is vaporization?
- A.
The amount of pressure in a cylinder
- B.
Conversion of a liquid to a gas
- C.
Gas phase of a substance that is liquid at room temperature and atmospheric pressure
- D.
All of the above
- 67.Vaporization depends on what?
- A.
Vapor pressure of the agent
- B.
Temperature of the environment
- C.
Amount of carrier gas used
- D.
All of the above
- 68.Define volatile anesthetic agent.
- A.
Molecules of a liquid that break away and enter the space at the top of the vaporizer
- B.
Pressure created when the molecules bombard the walls of the containe
- C.
Molecules entering the liquid phase
- D.
Liquid that has a tendency to change to a vapor at standard temperature and pressure
- 69.What is the SVP of Sevo
- A.
175
- B.
238
- C.
160
- D.
243
- 70.What is the SVP of Isoflurane
- A.
238
- B.
175
- C.
160
- D.
243
- E.
660
- 71.What is the SVP of Des?
- A.
23
- B.
660
- C.
238
- D.
243
- E.
175
- 72.What is the SVP of Enflurane
- A.
23
- B.
175
- C.
243
- D.
248
- E.
660
- 73.What increases SVP?
- A.
Cooling
- B.
Heating
- C.
Passing gas over the liquid
- D.
All of the above
- 74.What decreases SVP choose all that apply
- A.
Cooling
- B.
Heating
- C.
Passing gas over the liquid
- D.
All of the above
- 75.Why does heat need to be supplied to the liquid anesthetic? choose all that apply
- A.
To maintain a constant temperature
- B.
To decrease SVP
- C.
To keep a constant SVP
- D.
To operate the bellows
- 76.What does a wick do in a vaporizer
- A.
Changes FGF
- B.
A safeguard for system pressure failure
- C.
Increases surface area
- D.
Play backup QB for the Philadelphia Eagles
- 77.How is thermocompensation regulated? choose all that apply
- A.
The use of a valve to change flow based on temperature
- B.
Through the use of a heater with the vaporizer
- C.
Temp compensating bypass
- D.
All of the above
- 78.With what method is all of the gas vaporized into the gas flow?
- A.
Bubble through
- B.
Flow over
- C.
Injection
- D.
All of the above
- 79.Which anesthetic agent requires supplied heat.
- A.
Sevo
- B.
Iso
- C.
Des
- D.
Halothane
- 80.What is vapor pressure?
- A.
The temperature at which Vapor pressure is equal to barometric pressure
- B.
Pressure exerted on the walls of a container by molecules that have broken away from the liquid surface
- C.
The number of calories needed to convert one gram of liquid into vapor
- D.
The pressure prior to solidifying of the liquid
- 81.What is boling point?
- A.
The temperature at which Vapor pressure is equal to barometric pressure
- B.
Pressure exerted on the walls of a container by molecules that have broken away from the liquid surface
- C.
The number of calories needed to convert one gram of liquid into vapor
- D.
The pressure prior to solidifying of the liquid
- 82.Define heat of vaporization
- A.
Pressure exerted on the walls of a container by molecules that have broken away from the liquid surface
- B.
The number of calories needed to convert one gram of liquid into vapor
- C.
The temperature at which Vapor pressure is equal to barometric pressure
- D.
The number of calories needed to convert one gram of liquid into vapor
- 83.What is the heat of vaporization of Desflurane?
- A.
20C
- B.
39C
- C.
25C
- D.
10C
- 84.What is the heat of vaporization of Halothane
- A.
20
- B.
39
- C.
15
- D.
10
- 85.What is the heat of vaporization of Isoflurane
- A.
25
- B.
20
- C.
39
- D.
10
- 86.What is the boiling point in celsius of Des?
- A.
50
- B.
23
- C.
48
- D.
58
- 87.What is the boiling point in celsius of Halothane
- A.
23
- B.
48
- C.
50
- D.
58
- 88.What is the boiling point in celsius of Sevo
- A.
23
- B.
48
- C.
50
- D.
58
- 89.What is the boiling point in celsius of Iso
- A.
23
- B.
48
- C.
50
- D.
58
- 90.THe most volatile agents have....complete
- A.
Low boiling point
- B.
High heat of vaporization
- C.
High specific heats
- D.
All of the above
- 91.What is the SVP of Halothane?
- A.
23
- B.
175
- C.
239
- D.
234
- 92.What is the SVP of Isoflurane
- A.
243
- B.
239
- C.
175
- D.
23
- 93.What is the SVP of Enflurane
- A.
243
- B.
239
- C.
175
- D.
23
- 94.When is usually seen with the pumping effect and overdosing?
- A.
Low levels of anesthetic agent in chamber
- B.
Low flows
- C.
Low dial settings
- D.
All of the above
- 95.When is usually seen with the pumping effect and inadequate dose
- A.
High flows
- B.
Oxygen flush
- C.
Manual ventilation
- D.
All of the above
- 96.What is the potential power sources for a ventilator choose all that apply
- A.
Compressed gas
- B.
Heat
- C.
Electricty
- D.
A spinning bicycle for first year CRNA residents
- 97.What is the meaning of double-circuit in reference to a ventilator?
- A.
Pneumatic force that compresses the bellows which empties its contents to the patient
- B.
A split circuit to regulate gas flow
- C.
A means of ventilation with use of an LMA
- D.
All of the above
- 98.Using the ventilator when does driving gas flow cease. choose all that apply
- A.
TIdal volume is delivered
- B.
When a set pressure is reached
- C.
Compliance no longer capable of being overcome
- D.
All of the above
- 99.Why would set TV differ from delivered TV
- A.
Compliance
- B.
Losses
- C.
Leaks
- D.
All of the above
- 100.What is the pressure limit on most ventilators
- A.
200
- B.
100
- C.
40
- D.
20
- 101.Why is a patient taken of the ventilator if there is a failure from the central supply.
- A.
Most patients can survive on a hypoxic mix for short period
- B.
We do not want a backflow of gas into central supply
- C.
You will waste oxygen driving the bellows
- D.
All of the above
- 102.Be familiar with the process of the bellows and ventilator slides 17-22 of week 4 lecture. Trivia time! In 1947 Ted Williams won the triple crown, in an absolute disgrace to mankind as we now know it, he did not win the MVP. Who did
- A.
Mickey Mantle
- B.
Roger Maris
- C.
Joe Dimaggio
- D.
Roger Hornsby
- E.
J.P. Mato
- 103.TV is given at 10-15ml/kg can you clarify?
- A.
Based on a patients TBW
- B.
Based on a patients ideal body weight
- C.
Based on the patients surface area
- D.
All of the above
- 104.Which patient would benefit from a prolonged expiratory time?
- A.
CHF
- B.
COPD
- C.
CAD
- D.
Anterior cruciate ligament tear
- 105.What does the Ohmeda 7900 smart vent offer that previous anesthesia ventilators did not? choose all that apply
- A.
Electronic peep
- B.
Vaporizers
- C.
LED lighting
- D.
Pressure controlled ventilation mode
- 106.Continue from slide 40 week #4
- A.
OK
- B.
No
- 107.Which of the following is part of the high pressure cylinder?
- A.
Pipeline inlet
- B.
Flowmeter
- C.
O2 flush
- D.
Hanger yoke
- 108.Which of the following is included in the high pressure system?
- A.
BVM
- B.
Pipeline pressure gauge & O2 flush
- C.
Flowmeter
- D.
Vaporizers
- E.
Hanger Yoke
- 109.How does the O2 fail safe work?
- A.
Prevents dialing of a hypoxic mixture
- B.
Cuts off N2O if O2 supply fails
- C.
Prevents hypoxic mixture
- D.
Cuts off O2 when N2O supply falls
- 110.The O2 flush valve
- A.
Delivers O2 between 50-75 L /min
- B.
Can be locked in the ON position
- C.
Only pushed during expiration
- D.
Is easy to activate
- 111.What is the function of the fail safe valve used with oxygen?
- A.
Prevents hypoxic mix
- B.
Prevents failure of gas supply from central hospital supply
- C.
The set oxygen concentration shall not be decrease at the CGO
- D.
Will rupture allowing safe passage of the contained gas without rupture
- 112.What is your last safeguard in preventing a hypoxic mix?
- A.
PSIG of the N2O cylinder
- B.
Hypoxic guard system
- C.
PSIG of the oxygen cylinder
- D.
Fail safe valve
- 113.What is the most accurate way of identifying cylinders?
- A.
Weight
- B.
PSIG
- C.
Label
- D.
Olfactory thrshold
- 114.What are the functions of oxygen in the anesthesia machine? choose all that apply
- A.
FLowmeter
- B.
Fail safe valve
- C.
Low pressure system
- D.
O2 Flush Valve
- E.
Ventilator driving gas
- 115.Which VAA is used in the TEC-6 vaporizer?
- A.
ISO
- B.
DES
- C.
SEVO
- D.
Halothane
- 116.Which VAA is used in the TEC-5 Vaporizer?
- A.
ISO
- B.
DES
- C.
SEVO
- D.
Halothane
- 117.Where is the best place to have the oxygen flowmeter?
- A.
Furthest to left
- B.
In the middle
- C.
Furthest to right
- D.
Just outside the OR
- 118.Which type of scavenger system requires relief valves
- A.
Open scavenger system
- B.
Closed scavenger system
- C.
A Yankee fan! Not only are they scavengers they are part of the "Evil Empire"
- 119.What are the hazards with aluminum cylinders
- A.
Adiabatic expansion
- B.
Fire
- C.
Can not be used with MRI Patients
- D.
Very heavy injury concern
- 120.How often must cylinders be inspected?
- A.
2 years
- B.
3 years
- C.
5 years
- D.
15 years
- 121.How many liters of gas is in a H tank of o2?
- A.
330
- B.
660
- C.
5,300
- D.
13,800
- 122.How many liters of gas is in a N2O H tank
- A.
330
- B.
660
- C.
745
- D.
1590
- E.
13800
- 123.What is a hazard of a pipeline system?
- A.
Foreign material
- B.
Gaseous
- C.
Water
- D.
Bacterial
- E.
All of the above
- 124.What is the normal tidal volume for a patient?
- A.
700cc
- B.
600cc
- C.
10-15cc/kg
- D.
10-15cc/kg of ideal body weight
- 125.What does the tidal volume sensor tell you?
- A.
How much volume remaining in circuit
- B.
How much volume being delivered
- C.
How much volume being returned
- D.
All of the above
- E.
None of the above
- 126.WHat is the biggest hazard with ventilators?
- A.
Barotrauma
- B.
Low PEEP
- C.
Failure to resume ventilation after turning off
- D.
All of the above
- 127.Which monitoring device can not be deactivated?
- A.
Precordial monitor
- B.
Capnometer
- C.
Spirometer
- D.
Pulse oximetry
- E.
EKG
- 128.How can the efficiency be increased within a vaporizer? choose all that apply.
- A.
Bubble through
- B.
Wicks
- C.
Copper construction
- D.
Baffles
- 129.Though rare, what will be seen in the presence of the pumping effect?
- A.
Wrong agent being dispensed
- B.
Underdosing
- C.
Overdosing
- D.
All of the above
- 130.Though rare, what will be seen in the presence of the pressurizing effect?
- A.
Wrong agent being dispensed
- B.
Underdosing
- C.
Overdosing
- D.
None of the above
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