RPFT\CPFT Exam With Verified Questions and
Answers | Graded A+
Polarographic gas analyzer is used for what gas? - Correct Answer-oxygen
Infrared absorption analyzer is used what gases? - Correct Answer-CO2, and CO
Geissler tube ionizer is used to analyze what gas? - Correct Answer-Nitrogen
A Thermal conductive gas analyzer is used for what gas? - Correct Answer-Helium, the only
safe gas to use with heat.
Bi-directional breathing valve should have ______ dead space and ______resistance. (low or
high) - Correct Answer-low
What type of membrane is used on an arterial blood gas analyzer for the PO2? - Correct
Answer-Mylar or Polyproplyene
What electrode is used to analyze PO2 in the blood gas analyzer? - Correct Answer-Clark
If blood gas samples have been having issues for a long period of time (2 hours or longer)
what could be the problem? - Correct Answer-Ruptured membrane
What disinfecting agent is used for sterilizing bronchs? - Correct Answer-Alkaline
glutaraldehyde (Cidex)
What gas can be used to sterilize things that can not get wet or go in auto-calve? - Correct
Answer-Ethylene Oxide
If you are trying to make a PFT lab more safe for infection control, what should you always
get rid of? - Correct Answer-Small volume nebs
What should you use instead of small volume nebs in a high infection control area? - Correct
Answer-MDI
What absorbs CO2 in the PFT machine? - Correct Answer-Sodium hydroxide
What is another name of sodium hydroxide? - Correct Answer-Sodalime or Sodasorb
How can you tell if you need to change sodasorb? - Correct Answer-Color change or
expiration date
What is a H2O absorber? - Correct Answer-Desiccant
What is the H2O absorber used in PFT machine? - Correct Answer-Calcium Sulfate
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In a blood gas analyzer, what is the gas concentration slope percent for CO2 for calibration? -
Correct Answer-10%
In a blood gas analyzer, what is the low calibration gas concentration for CO2? - Correct
Answer-5%
What is the best calibration device for a spirometer? - Correct Answer-3 L syringe
What can measure barometric pressure? - Correct Answer-U-tube
What does a rotameter measure? - Correct Answer-Flow
What is a rotameter used for? - Correct Answer-Pneumotach
If the patient is having trouble inhaling/exhaling, what is usually causing the trouble? -
Correct Answer-Some sort of valve issue
What will the patient do if the scrubber is exhausted? - Correct Answer-Feel warm, breathe
deeper and faster
What device uses a chopper motor? - Correct Answer-Infrared analyzer
If lead II is placed correctly, the peaks will be in what direction? - Correct Answer-up
What is a pressure differential penumotachometer? - Correct Answer-A bunch of little tubes
that create laminar flow on the back end
What thermal tachometer is used in a helium gas analyzer? - Correct Answer-Wheat-stone
bridge
If there is a hole/crack in the thermal pneumotach will the volume readings be increased or
decreased? - Correct Answer-decreased
If you have a sick patient coming in for PFT, when should you schedule them? - Correct
Answer-At the end of the day
What does it mean if there is a large amount of artifact from ECG? - Correct Answer-Check
placement first, shave hair if necessary
What should you do if the blood gas machine is displaying different results than a known
calibration solution? - Correct Answer-Adjust balance of display until it matches known
solution.
What device is used to check high flow rates? - Correct Answer-Peak flow meter
What device should NOT be used to check high flow rates? - Correct Answer-turbine
How will an increase in the temperature of the blood affect the PO2, PCO2, and pH? -
Correct Answer-Increase PO2
Increase PCO2
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