Free Access NBRC.RPFT.v2022-10-26.q82 Practice Test (Page 5)

Question 16

The following results were obtained from spirometry before and after a bronchodilator administration:

Which of the following is the correct interpretation of these data?

A.Obstructive pattern with positive bronchodilator response

B.Restrictive pattern with positive bronchodilator response

C.Obstructive pattern with no bronchodilator response

D.Restrictive pattern with no bronchodilator response

Question 17

A pulmonary function technologist is reviewing an asthma action plan. The patient takes a low-dose inhaled corticosteroid and a long-acting beta2-agonist twice daily. The patient's personal best peak flow is 600 L/min.
Which of the following instructions should be given to the patient when the peak flow drops to 500 L/min?

A.Add montelukast (Singular).

B.Continue the current regimen.

C.Go to the emergency department.

D.Double the steroid dose.

Question 18

While assessing a patient's expired gases at rest prior to exercise, a pulmonary function technologist calculates the RER as 0.6. Which of the following is the most likely explanation?

A.The patient is hyperventilating

B.The patient has an elevated VDAVT

C.A gas analyzer is malfunctioning

D.The expired gas is contaminated with air

Question 19

Which of the following tracings represents an airways resistance maneuver performed with a slow breathing frequency?

A.Option C

B.Option D

C.Option A

D.Option B

Question 20

The following data are observed during an exercise test:

Which of the following should a pulmonary function technologist do?

A.Discontinue the test after the next stage.

B.Continue the test until the patient reaches maximal tolerance.

C.Continue the test until the patient is symptomatic.

D.Discontinue the test and ensure patient safety.

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