PFT Exam 1 Practice Test Detailed Questions & Correct Answers
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Course
PFT
Institution
PFT
During a forced expiration, the point in the airways where the pleural pressure equals airway pressure is called the:
a. Transpulmonary pressure point
b. Equal airway pressure
c. Null pressure point
d. Equal pressure point - Correct Answer D. Equal Pressure Point
All of the following are ...
PFT Exam 1 Practice Test Detailed
Questions & Correct Answers
During a forced expiration, the point in the airways where the pleural pressure equals airway pressure is
called the:
a. Transpulmonary pressure point
b. Equal airway pressure
c. Null pressure point
d. Equal pressure point - Correct Answer D. Equal Pressure Point
All of the following are examples of a volume-displacement spirometer except:
a. Rolling seal
b. Bellows
c. Water seal
d. Balloon - Correct Answer D. Balloon
All of the following are examples of flow-sensing spirometers except:
a. Pneumotachograph
b. Ultrasonic
c. Thermistor
d. Wedge - Correct Answer D. Wedge
Calibration of spirometers should be done with a good quality syringe of known volume:
a. Once per month
b. Before every patient
c. Every day it is used
d. Once per week - Correct Answer C. Every day it is used
All of the following are acceptability criteria for valid spirometry except:
,a. Good start of test
b. Good repeatability of FVC and FEV1
c. No coughing
d. No early termination
e. None of the above - Correct Answer E. None of the above
When calibrating a spirometer with a known-volume calibration syringe, the volume measured should be
within what percentage of the known volume?
a. +/- 7%
b. +/- 3.5%
c. +/- 5%
d. +/- 1% - Correct Answer B. +/- 3.5%
Spirometric values are reported as the volume at:
a. STPD
b. ATPD
c. BTPS
d. ATPS - Correct Answer C. BTPS
Several concerns have been raised about the use of reference values. Which of the following is not a
concern?
a. Not enough values for certain races and age groups
b. Not all values are contained in one study
c. Use of different types of instrumentation
d. Inclusion of current and ex-smokers in some studies
e. None of the above - Correct Answer E. None of the Above
When performing reversibility testing. How long after bronchodilator administration should you wait
before performing postbronchodilator testing?
a. 1-5 min
, b. 10-15 min
c. 3-6 min
d. 30-35 min - Correct Answer B. 10-15 min
According to the 2005 ATS/ERS Standardization of Spirometry, the acceptable limit for back-extrapolated
volume as a percentage of the vital capacity is less than:
a. 3% of FVC
b. 5% of FVC
c. 5% of FVC or 0.150 liter, whichever is greater
d. 7% of FVC or 0.150 liter, whichever is greater - Correct Answer C. 5% of FVC or 0.150 liter, whichever
is greater
When performing PEFR measurements using a peak flow meter, the largest tow of the three acceptable
blows should be repeatable within:
a. 40 liters/min
b. 80 liters/min
c. 20 liters/min
d. 10 liters/min - Correct Answer A. 40 liters/min
According to the 2005 ATS/ERS Standardization of Spirometry, the repeatability requirement for valid
spirometry is:
a. The two largest FVC values must be within 5% of each other, and the two largest FEV1 values must be
within 5% of each other
b. The two largest FVC values must be within 3% of each other, and the two largest FEV1 values must be
within 3% of each other
c. The two largest FVC values must be within 0.150 liter of each other, and the two largest FEV1 values
must be within 0.150 liter of each other
d. The two largest FVC values must be within 0.200 liter of each other, and the two largest FEV1 values
must be within 0.200 liter of each other - Correct Answer c. The two largest FVC values must be within
0.150 liter of each other, and the two largest FEV1 values must be within 0.150 liter of each other
What is the most likely interpretation of the following spirometric data?
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