RPFT Exam Question No 29

Question No 29:

A body plethysmograph box pressure transducer fails the electronic calibration check after
multiple attempts. Which of the following should a pulmonary function technologist do?
1. Perform a biologic control test
2. Inspect the door seal.
3. Re-zero the box pressure transducer.
4. Perform a physical pressure calibration.

A. 1,2, and 4 only
B. 1,3, and 4 only
C. 2,3, and 4 only
D. 1,2, and 3 only

Answer: D

RPFT Exam Question No 28

Question No 28:

During an exercise study, a pulmonary function technologist notices the systolic blood
pressure increased to 270 mm Hg using an automated cuff. Which of the following should
the technologist do?

A. Terminate the test and administer oxygen by nasal cannula.
B. Continue the test and recheck blood pressure using manual cuff method.
C. Terminate the test at this time and recheck blood pressure.
D. Continue the test if within 5 minutes of completion.

Answer: A

RPFT Exam Question No 27

Question No 27:

Which of the following problems may be identified by using an isothermal lung analog to
perform quality control on a body plethysmograph?

1.Improperly calibrated mouth pressure transducer
2.Obstructed or perforated pneumotachometer
3.Increase in mechanical resistance
4.Malfunctioning box pressure transducer

A. 3 and 4 only
B. 2 and 3 only
C. 1 and 4 only
D. 1 and 2 only

Answer: C