Test Prep RPFT Online Practice Questions and Exam Preparation

Test Prep RPFT Online Questions & Answers

• Question 11:

  In which of the following patients would an end-tidal CO2 most 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
  B. 42 year old with moderate COPD

• Question 12:

  A subject has the following values reported: What is the SGAW?

  

  A. 0.20
  B. 0.80
  C. 1.25
  D. 0.40
  C. 1.25

• Question 13:

  

  The ECG above is recorded during the recovery phase immediately following termination of an ergo meter exercise study. A pulmonary function technologist should

  A. Initiate chest compressions
  B. Have the patient lie down
  C. Check the electrode connections
  D. Continue the cool-down phase
  A. Initiate chest compressions

• Question 14:

  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
  C. 1 and 4 only

• Question 15:

  A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should

  A. Instruct the patient to use the hand rails.
  B. Tighten the belt.
  C. Increase the speed of the belt.
  D. Decrease the treadmill grade.
  B. Tighten the belt.

• Question 16:

  A 9-year-old girl had an FVC of 2.35 L1 year ago. She was 122 cm (4 ft) tall and weighed 29.5 kg (65 lb). Her current height is 127 cm (4 ft 2 in), and her weight is 34 kg (75 lb). The current FVC measurement is 2.20 L. The quality of both tests met ATS/ERS goals. A pulmonary function technologist should conclude the change is

  A. Not significant since it is less than a 15% decrease.
  B. Not significant since it is within normal test variability.
  C. Significant since a decline is not expected.
  D. Significant since her weight has changed.
  C. Significant since a decline is not expected.

• Question 17:

  The following blood gas report is questioned by the attending physician:

  

  Which of the following values is INCONSISTENT?

  A. BE
  B. pH
  C. PaCO2
  D. HCO3
  A. BE

• Question 18:

  The following results are obtained:

  

  The RV/TLC ratio from these data is consistent with which of the following?

  A. Obstructive defect
  B. Normal lung volumes
  C. Combined obstructive/restrictive defect
  D. Restrictive defect
  A. Obstructive defect

• Question 19:

  During a linearity check of a flow sensor in a plethysmograph with a 3-liter calibration syringe, a pulmonary function technologist observes the following:

  

  Which of the following should the technologist do?

  A. Perform an additional flow check at 10 L/sec.
  B. Look for an obstruction in the flow sensor.
  C. Record these results and begin testing.
  D. Recalibrate and repeat the linearity check.
  B. Look for an obstruction in the flow sensor.

• Question 20:

  A biologic control subject has a FRCpleth of 4.0 ?.3 L at panting frequencies between 60 and 70/min. During a QC run, the subject pants at 55/min and a FRCpleth of 3.90 L is recorded. Which of the following is the most appropriate action to take?

  A. Recalibrate the mouth pressure transducer and repeat the test.
  B. Repeat the test, coaching the subject to pant more slowly.
  C. Continue using the system because it is within control limits.
  D. Take the plethysmograph out of service pending corrective maintenance.
  C. Continue using the system because it is within control limits.