CPFT Exam Questions With Correct Answers
(100%)
1. Polarographic gas analyzer is used for what gas? -Answer- oxygen
2. Infrared absorption analyzer is used what gases? -Answer- CO2, and CO
3. Geissler tube ionizer is used to analyze what gas? -Answer- Nitrogen
4. A Thermal conductive gas analyzer is used for what gas? -Answer-
Helium, the only safe gas to use with heat.
5. Bi-directional breathing valve should have dead space and
resistance. (low or high) -Answer- low
6. What type of membrane is used on an arterial blood gas analyzer for the
PO2? -Answer- Mylar or Polyproplyene
7. What electrode is used to analyze PO2 in the blood gas analyzer? -Answer
Clark
8. If blood gas samples have been having issues for a long period of time (2
hours or longer) what could be the problem? -Answer- Ruptured membrane
9. What disinfecting agent is used for sterilizing bronchs? -Answer- Alkaline
glutaralde- hyde (Cidex)
10. What gas can be used to sterilize things that can not get wet or go in
auto-calve? -Answer- Ethylene Oxide
11. If you are trying to make a PFT lab more safe for infection control, what
should you always get rid of? -Answer- Small volume nebs
12. What should you use instead of small volume nebs in a high infection
control area? -Answer- MDI
13. What absorbs CO2 in the PFT machine? -Answer- Sodium hydroxide
14. What is another name of sodium hydroxide? -Answer- Sodalime or
Sodasorb
15. How can you tell if you need to change sodasorb? -Answer- Color change
or expira- tion date
16. What is a H2O absorber? -Answer- Desiccant
17. What is the H2O absorber used in PFT machine? -Answer- Calcium Sulfate
18. In a blood gas analyzer, what is the gas concentration slope percent for
CO2 for calibration? -Answer- 10%
19. In a blood gas analyzer, what is the low calibration gas concentration for
CO2? -Answer- 5%
20. What is the best calibration device for a spirometer? -Answer- 3 L syringe
21. What can measure barometric pressure? -Answer- U-tube
22. What does a rotameter measure? -Answer- Flow
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, 23. What is a rotameter used for? -Answer- Pneumotach
24. If the patient is having trouble inhaling/exhaling, what is usually causing
the trouble? -Answer- Some sort of valve issue
25. What will the patient do if the scrubber is exhausted? -Answer- Feel
warm, breathe deeper and faster
26. What device uses a chopper motor? -Answer- Infrared analyzer
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(100%)
1. Polarographic gas analyzer is used for what gas? -Answer- oxygen
2. Infrared absorption analyzer is used what gases? -Answer- CO2, and CO
3. Geissler tube ionizer is used to analyze what gas? -Answer- Nitrogen
4. A Thermal conductive gas analyzer is used for what gas? -Answer-
Helium, the only safe gas to use with heat.
5. Bi-directional breathing valve should have dead space and
resistance. (low or high) -Answer- low
6. What type of membrane is used on an arterial blood gas analyzer for the
PO2? -Answer- Mylar or Polyproplyene
7. What electrode is used to analyze PO2 in the blood gas analyzer? -Answer
Clark
8. If blood gas samples have been having issues for a long period of time (2
hours or longer) what could be the problem? -Answer- Ruptured membrane
9. What disinfecting agent is used for sterilizing bronchs? -Answer- Alkaline
glutaralde- hyde (Cidex)
10. What gas can be used to sterilize things that can not get wet or go in
auto-calve? -Answer- Ethylene Oxide
11. If you are trying to make a PFT lab more safe for infection control, what
should you always get rid of? -Answer- Small volume nebs
12. What should you use instead of small volume nebs in a high infection
control area? -Answer- MDI
13. What absorbs CO2 in the PFT machine? -Answer- Sodium hydroxide
14. What is another name of sodium hydroxide? -Answer- Sodalime or
Sodasorb
15. How can you tell if you need to change sodasorb? -Answer- Color change
or expira- tion date
16. What is a H2O absorber? -Answer- Desiccant
17. What is the H2O absorber used in PFT machine? -Answer- Calcium Sulfate
18. In a blood gas analyzer, what is the gas concentration slope percent for
CO2 for calibration? -Answer- 10%
19. In a blood gas analyzer, what is the low calibration gas concentration for
CO2? -Answer- 5%
20. What is the best calibration device for a spirometer? -Answer- 3 L syringe
21. What can measure barometric pressure? -Answer- U-tube
22. What does a rotameter measure? -Answer- Flow
1/8
, 23. What is a rotameter used for? -Answer- Pneumotach
24. If the patient is having trouble inhaling/exhaling, what is usually causing
the trouble? -Answer- Some sort of valve issue
25. What will the patient do if the scrubber is exhausted? -Answer- Feel
warm, breathe deeper and faster
26. What device uses a chopper motor? -Answer- Infrared analyzer
2/8
