10 free CPFT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CPFT Practice Test 5Tutor mode
Question 1 of 10
Instrumentation / Equipment
Which of the following calibrations are performed before measuring lung volumes and airway resistance with a body plethysmograph?
1. Mouth-pressure transducer against a manometer
2. Carbon monoxide analyzer against a reference gas
3. Box-pressure transducer against a known volume signal
4. Flow sensor (pneumotachometer) against a 3-L syringe