RPFT Exam Question No 32

Question No 32:

In which of the following patients would an end-tidal CO2most likely produce values that
are inconsistent with PaCO2?

A. 50 year old with mild scleroderma
B. 42 year old with moderate COPD
C. 20 year old who smokes cigarettes
D. 12 year old with kyphoscoliosis

Answer: B

RPFT Exam Question No 31

Question no 31:

A patient has just finished a 6-minute walk test during which she stopped and rested by leaning against a wall several times, while catching her breath. Which of the following should a pulmonary function technologist do?

A. Document the total distance the patient covered in 6 minutes.
B. Repeat the test with supplemental oxygen after the patient is fully rested.
C. Subtract the time spent at rest and report the distance walked during the time spent
walking.
D. Report that the patient was unable to complete a standard 6-minute walk test.

Answer: C

RPFT Exam Question No 30

Question No 30:

A pulmonary function technologist can calculate which of the following if values for pH,
PaO2, SaO2, SvO2PvO2, VO2, and Hb areobtained?

A. Cardiac output
B. RER
C. VD/VT
D. Stroke volume

Answer: A

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

RPFT Exam Question No 26

Question No 26:

The normal response to an increasing PaCO2is

A. To maintain a constant VEuntil the PaCO2exceeds 55 torr.
B. Adecrease in VEof 2to5L/min/torrPCO2.
C. An increase in VEof 1 to 6L/min/torr PCO2.
D. An increase in VEof 10to15L/min/torrPCO2.

Answer: C