Test Prep Test Prep Certifications RPFT Questions & Answers

• Question 61:

  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.

  Correct Answer: C

• Question 62:

  To facilitate measurement of arterial oxygen content during an exercise (stress) test, a pulmonary function technologist should recommend

  A. End-tidal monitoring

  B. Pulse oximetry

  C. An arterial puncture at anaerobic threshold

  D. Radial artery catheterization

  Correct Answer: B

• Question 63:

  When using a variable pressure plethysmograph, a leak in the door seal that develops subsequent to calibration will cause underestimation of

  A. Raw

  B. VTG

  C. Alveolar pressure

  D. vital capacity

  Correct Answer: C

• Question 64:

  Which of the following is the most reliable method to estimate the effectiveness of standard procedures to minimize the risk of cross-contamination during spirometry testing in a pulmonary function laboratory?

  A. Count the number of disposable mouthpieces used for 1 week.

  B. Observe the handwashing behavior of each technologist.

  C. Ask patients tested about laboratory hygiene.

  D. Ask technologists if they wash their hands before each test

  Correct Answer: B

• Question 65:

  Treadmill speed can be verified by

  A. Multiplying the belt length by the cycles/min.

  B. Dividing the height by the horizontal distance.

  C. Multiplying the cycles/min by the height.

  D. Dividing the cycles/min by the belt length.

  Correct Answer: A

• Question 66:

  At maximum exercise, a 24-year-old patient's heart rate is 150/min with a VO2 of 750 mUmin. The calculated 02 pulse is most consistent with which of the following?

  A. cystic fibrosis

  B. cardiomyopathy

  C. achievement of anaerobic threshold

  D. deconditioning

  Correct Answer: A

• Question 67:

  The desiccant column on an infrared CO2 analyzer is pink. The readings obtained from this analyzer would result in

  A. A decreased CO2

  B. An increased CO2

  C. An unstable reading

  D. No effect on CO2

  Correct Answer: B

• Question 68:

  During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve /VCO2) ratio is

  100. This measurement indicates

  A. Severe pulmonary hypertension

  B. A normal response

  C. Equipment malfunction

  D. Increased work of breathing

  Correct Answer: C

• Question 69:

  The normal response to an increasing PaCO2 is

  A. To maintain a constant VE until the PaCO2 exceeds 55 torr.

  B. A decrease in VE of 2 to 5 L/min/torrPCO2.

  C. An increase in VE of 1 to 6 L/min/torr PCO2.

  D. An increase in VE of 10 to 15 L/min/torrPCO2.

  Correct Answer: C

• Question 70:

  The following data are obtained for a 60-year-old male undergoing an exercise (stress) test on an ergometer:

  

  A pulmonary function technologist should

  A. Stop the test because the blood pressure response is abnormal.

  B. Stop the test because the heart rate is too high after 10 minutes.

  C. Stop the test because this is an abnormal VD/VT response.

  D. Continue the test since this is a normal cardiopulmonary response.

  Correct Answer: A