PFT EXAM 4 QUESTIONS WITH
CORRECT ANSWERS 2025!!
1 of 40
Term
A 15 y o subject performs an exercise challenge on a treadmill to a heart
rate of 180 beats per minute for 5 minutes and has the following
reproducible results: FEV1 (baseline) 3.5 L FEV1 (after
exercise) 2.7 L The technologist should do which of the following?
Give this one a try later!
, the results were
positive for exercise 4-6 minutes of treadmill
induced bronchospasm. exercise at 5 METs with blood
gases
Decrease of 35% after The subject has
inhalation of histamine hyperreactive airways
Don't know?
2 of 40
Term
The VC may decrease as much as ________ after thoracic or
abdominal surgery.
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25% 50%
30% 75%
Don't know?
3 of 40
Term
, When multiple methods of bronchoprovocation are ordered
on the same day, how many hours after an exercise test
should allow before another test is performed?
Give this one a try later!
6 hours 1 hour
2 hours 4 hours
Don't know?
4 of 40
Term
Which of the following control materials would be best
suited for quality control of a pO2 used to measure O2
tensions less than 50 mm Hg?
Give this one a try later!
Otoscope Gonioscopy
Closed Circuit Calorimetry Tonometry
Don't know?
5 of 40
CORRECT ANSWERS 2025!!
1 of 40
Term
A 15 y o subject performs an exercise challenge on a treadmill to a heart
rate of 180 beats per minute for 5 minutes and has the following
reproducible results: FEV1 (baseline) 3.5 L FEV1 (after
exercise) 2.7 L The technologist should do which of the following?
Give this one a try later!
, the results were
positive for exercise 4-6 minutes of treadmill
induced bronchospasm. exercise at 5 METs with blood
gases
Decrease of 35% after The subject has
inhalation of histamine hyperreactive airways
Don't know?
2 of 40
Term
The VC may decrease as much as ________ after thoracic or
abdominal surgery.
Give this one a try later!
25% 50%
30% 75%
Don't know?
3 of 40
Term
, When multiple methods of bronchoprovocation are ordered
on the same day, how many hours after an exercise test
should allow before another test is performed?
Give this one a try later!
6 hours 1 hour
2 hours 4 hours
Don't know?
4 of 40
Term
Which of the following control materials would be best
suited for quality control of a pO2 used to measure O2
tensions less than 50 mm Hg?
Give this one a try later!
Otoscope Gonioscopy
Closed Circuit Calorimetry Tonometry
Don't know?
5 of 40
