Question 1

When performing an open-circuit indirect calorimetry study,the technologist notices that the RER is 0.65.What should the technologist do next?

Accepted Answer

A)  Stop the test and ask the subject whether the subject has diabetes. 
B)  Stop the test because the subject obviously ate before the test. 
C)  Stop the test and recalibrate the instrument. 
D)  Instruct the subject to stop hyperventilating. 
A)  Stop the test and ask the subject whether the subject has diabetes. 
B)  Stop the test because the subject obviously ate before the test. 
C)  Stop the test and recalibrate the instrument. 
D)  Instruct the subject to stop hyperventilating. C

Question 2

An indirect calorimetry system uses a dilution technique that mixes a constant flow of entrained air with expired gas.This technique allows determination of which of the following?

Accepted Answer

A)  Exhaled ventilation 
B)  End-tidal CO2 
C)  VD/VT 
D)  FEO2 
A)  Exhaled ventilation 
B)  End-tidal CO2 
C)  VD/VT 
D)  FEO2 A

Question 3

Which of the following is consistent with a properly performed impulse oscillometry procedure performed on an 8-year-old female?

Accepted Answer

A)  Report the mean of two maneuvers. 
B)  Instruct the subject to breathe for 20 minutes. 
C)  Complete three maneuvers repeatable within 10%. 
D)  Describe the quick puffing of the device. 
A)  Report the mean of two maneuvers. 
B)  Instruct the subject to breathe for 20 minutes. 
C)  Complete three maneuvers repeatable within 10%. 
D)  Describe the quick puffing of the device. C

Question 4

A subject performing an exhaled nitric oxide test has the following results:   The technologist should do which of the following?

Accepted Answer

A)  Report the mean of the two trials. 
B)  Report the largest trial. 
C)  Perform another maneuver because there are two acceptable trials only. 
D)  Recalibrate the instrument. 
A)  Report the mean of the two trials. 
B)  Report the largest trial. 
C)  Perform another maneuver because there are two acceptable trials only. 
D)  Recalibrate the instrument.

Question 5

A patient has a metabolic study performed with the following results:   If the patient's 24-hour urinary nitrogen (UN)is 22 g/24 hours,what is the approximate REE?

Accepted Answer

A)  1480 kcal/24 hours 
B)  2084 kcal/24 hours 
C)  2132 kcal/24 hours 
D)  2666 kcal/24 hours 
A)  1480 kcal/24 hours 
B)  2084 kcal/24 hours 
C)  2132 kcal/24 hours 
D)  2666 kcal/24 hours

Question 6

What does an elevated exhaled nitric oxide represent?

Accepted Answer

A)  Increased airway muscle tone 
B)  Airway inflammation 
C)  Pulmonary vascular hypertension 
D)  Pulmonary edema 
A)  Increased airway muscle tone 
B)  Airway inflammation 
C)  Pulmonary vascular hypertension 
D)  Pulmonary edema

Question 7

What is the upper limit of normal cutoff for exhaled nitric oxide in adults?

Accepted Answer

A)  15 ppb 
B)  25 ppb 
C)  35 ppb 
D)  45 ppb 
A)  15 ppb 
B)  25 ppb 
C)  35 ppb 
D)  45 ppb

Question 8

The forced oscillation technique measures:

Accepted Answer

A)  Respiratory system resistance 
B)  Airway resistance 
C)  Airway compliance 
D)  Respiratory system compliance 
A)  Respiratory system resistance 
B)  Airway resistance 
C)  Airway compliance 
D)  Respiratory system compliance

Question 9

A 53-year-old female with a history of myasthenia gravis has the following pulmonary function results:   These findings are:

Accepted Answer

A)  Consistent with her known disease process 
B)  Not consistent with myasthenia gravis 
C)  Consistent with severe obstruction 
D)  Consistent with severe obstruction with a reduction in respiratory muscle pressure 
A)  Consistent with her known disease process 
B)  Not consistent with myasthenia gravis 
C)  Consistent with severe obstruction 
D)  Consistent with severe obstruction with a reduction in respiratory muscle pressure

Question 10

The mathematical function fast Fourier transform is used in which testing modality?

Accepted Answer

A)  Respiratory inductive plethysmography 
B)  Forced oscillatory technique 
C)  Eucapnic voluntary hyperventilation 
D)  Nitric oxide analysis 
A)  Respiratory inductive plethysmography 
B)  Forced oscillatory technique 
C)  Eucapnic voluntary hyperventilation 
D)  Nitric oxide analysis

Question 11

The VC may decrease as much as _____ after thoracic or upper abdominal surgery.

Accepted Answer

A)  10% 
B)  20% 
C)  50% 
D)  90% 
A)  10% 
B)  20% 
C)  50% 
D)  90%

Question 12

Which of the following blood gas values suggests an increased incidence of postoperative complications?

Accepted Answer

A)  pH of 7.46 
B)  PaO2 of 69 mm Hg 
C)  PaCO2 of 59 mm Hg 
D)  COHb of 4.5% 
A)  pH of 7.46 
B)  PaO2 of 69 mm Hg 
C)  PaCO2 of 59 mm Hg 
D)  COHb of 4.5%

Question 13

Spirometric tracings that are acceptable for determining respiratory impairment for disability must be recorded at a paper speed of _____ mm/sec and volume sensitivity of _____ mm/L.

Accepted Answer

A)  10;20 
B)  20;10 
C)  20;20 
D)  50;20 
A)  10;20 
B)  20;10 
C)  20;20 
D)  50;20

Question 14

A patient has his or her resting energy expenditure (REE)measured while breathing from a spirometer that has been filled with O2. This technique is described as:

Accepted Answer

A)  Open-circuit calorimetry 
B)  Closed-circuit calorimetry 
C)  Bias-flow calorimetry 
D)  The Consolazio method 
A)  Open-circuit calorimetry 
B)  Closed-circuit calorimetry 
C)  Bias-flow calorimetry 
D)  The Consolazio method

Question 15

Which of the following patients would be at greatest risk for postoperative complications after a lung resection?

Accepted Answer

A)  A patient with FEV1 of 1.65 L 
B)  A patient with MVV of 74% of predicted 
C)  A patient with PaCO2 of 35 mm Hg 
D)  A patient with O2max of 9 ml/min/kg 
A)  A patient with FEV1 of 1.65 L 
B)  A patient with MVV of 74% of predicted 
C)  A patient with PaCO2 of 35 mm Hg 
D)  A patient with O2max of 9 ml/min/kg

Question 16

The following preoperative pulmonary function results were obtained on a 65-inch,60-year-old Caucasian female before a lung resection:   Which of the following should the technologist recommend?

Accepted Answer

A)  Repeat spirometry in 1 week. 
B)  Administer a bronchodilator. 
C)  Proceed with the lung resection. 
D)  Measure the arterial pressure. 
A)  Repeat spirometry in 1 week. 
B)  Administer a bronchodilator. 
C)  Proceed with the lung resection. 
D)  Measure the arterial pressure.

Question 17

What type of analyzer is used in a nitric oxide measuring device?

Accepted Answer

A)  Thermoconductivity 
B)  Polarographic 
C)  Infrared 
D)  Chemoluminescent 
A)  Thermoconductivity 
B)  Polarographic 
C)  Infrared 
D)  Chemoluminescent

Question 18

Which two variables are used in the Weir equation to calculate the REE?

Accepted Answer

A)  O2 and CO2 
B)  Respiratory gas exchange and urinary nitrogen 
C)  Respiratory quotient (RQ)and respiratory rate 
D)  PETCO2 and nitrogen 
A)  O2 and CO2 
B)  Respiratory gas exchange and urinary nitrogen 
C)  Respiratory quotient (RQ)and respiratory rate 
D)  PETCO2 and nitrogen

Question 19

A small leak is introduced into the breathing circuit during the measurement of MIP and MEP to do which of the following?

Accepted Answer

A)  Allow flow into the alveoli. 
B)  Prevent artifact caused by the cheek muscles. 
C)  Zero the pressure measuring apparatus before the maneuver. 
D)  Stabilize the chest wall during airway occlusion. 
A)  Allow flow into the alveoli. 
B)  Prevent artifact caused by the cheek muscles. 
C)  Zero the pressure measuring apparatus before the maneuver. 
D)  Stabilize the chest wall during airway occlusion.

Question 20

A patient referred for exercise testing for disability determination should have which of the following?

Accepted Answer

A)  Six-minute walk with pulse oximetry to document hypoxemia 
B)  Five minutes of treadmill exercise at 1.7 mph,10% grade 
C)  Four to 6 minutes of treadmill exercise at 5 METs with blood gases 
D)  Cycle ergometer exercise at 85% predicted maximum HR with pulse oximetry 
A)  Six-minute walk with pulse oximetry to document hypoxemia 
B)  Five minutes of treadmill exercise at 1.7 mph,10% grade 
C)  Four to 6 minutes of treadmill exercise at 5 METs with blood gases 
D)  Cycle ergometer exercise at 85% predicted maximum HR with pulse oximetry

When performing an open-circuit indirect calorimetry study,the technologist notices that the RER is 0.65.What should the technologist do next?

An indirect calorimetry system uses a dilution technique that mixes a constant flow of entrained air with expired gas.This technique allows determination of which of the following?

Which of the following is consistent with a properly performed impulse oscillometry procedure performed on an 8-year-old female?

A subject performing an exhaled nitric oxide test has the following results: The technologist should do which of the following?

A patient has a metabolic study performed with the following results: If the patient's 24-hour urinary nitrogen (UN)is 22 g/24 hours,what is the approximate REE?

What does an elevated exhaled nitric oxide represent?

What is the upper limit of normal cutoff for exhaled nitric oxide in adults?

The forced oscillation technique measures:

A 53-year-old female with a history of myasthenia gravis has the following pulmonary function results: These findings are:

The mathematical function fast Fourier transform is used in which testing modality?

The VC may decrease as much as _____ after thoracic or upper abdominal surgery.

Which of the following blood gas values suggests an increased incidence of postoperative complications?

Spirometric tracings that are acceptable for determining respiratory impairment for disability must be recorded at a paper speed of _ mm/sec and volume sensitivity of _ mm/L.

A patient has his or her resting energy expenditure (REE)measured while breathing from a spirometer that has been filled with O_2. This technique is described as:

Which of the following patients would be at greatest risk for postoperative complications after a lung resection?

The following preoperative pulmonary function results were obtained on a 65-inch,60-year-old Caucasian female before a lung resection: Which of the following should the technologist recommend?

What type of analyzer is used in a nitric oxide measuring device?

Which two variables are used in the Weir equation to calculate the REE?

A small leak is introduced into the breathing circuit during the measurement of MIP and MEP to do which of the following?

A patient referred for exercise testing for disability determination should have which of the following?

Indications for Pulmonary Function Testing

Spirometry

Diffusing Capacity Tests

Lung Volumes,airway Resistance,and Gas Distribution Tests

Ventilation and Ventilatory Control Tests

Blood Gases and Related Tests

Cardiopulmonary Exercise Testing

Pediatric Pulmonary Function Tests

Bronchoprovocation Testing

Pulmonary Function Test Equipment

Quality Systems in the Pulmonary Function Laboratory

Reference Values and Interpretation Strategies

Filters

Exam 10: Specialized Test Regimens

When performing an open-circuit indirect calorimetry study,the technologist notices that the RER is 0.65.What should the technologist do next?

An indirect calorimetry system uses a dilution technique that mixes a constant flow of entrained air with expired gas.This technique allows determination of which of the following?

Which of the following is consistent with a properly performed impulse oscillometry procedure performed on an 8-year-old female?

A subject performing an exhaled nitric oxide test has the following results: The technologist should do which of the following?

A patient has a metabolic study performed with the following results: If the patient's 24-hour urinary nitrogen (UN)is 22 g/24 hours,what is the approximate REE?

What does an elevated exhaled nitric oxide represent?

What is the upper limit of normal cutoff for exhaled nitric oxide in adults?

The forced oscillation technique measures:

A 53-year-old female with a history of myasthenia gravis has the following pulmonary function results: These findings are:

The mathematical function fast Fourier transform is used in which testing modality?

The VC may decrease as much as _____ after thoracic or upper abdominal surgery.

Which of the following blood gas values suggests an increased incidence of postoperative complications?

Spirometric tracings that are acceptable for determining respiratory impairment for disability must be recorded at a paper speed of _____ mm/sec and volume sensitivity of _____ mm/L.

A patient has his or her resting energy expenditure (REE)measured while breathing from a spirometer that has been filled with O2. This technique is described as:

Which of the following patients would be at greatest risk for postoperative complications after a lung resection?

The following preoperative pulmonary function results were obtained on a 65-inch,60-year-old Caucasian female before a lung resection: Which of the following should the technologist recommend?

What type of analyzer is used in a nitric oxide measuring device?

Which two variables are used in the Weir equation to calculate the REE?

A small leak is introduced into the breathing circuit during the measurement of MIP and MEP to do which of the following?

A patient referred for exercise testing for disability determination should have which of the following?

Indications for Pulmonary Function Testing

Spirometry

Diffusing Capacity Tests

Lung Volumes,airway Resistance,and Gas Distribution Tests

Ventilation and Ventilatory Control Tests

Blood Gases and Related Tests

Cardiopulmonary Exercise Testing

Pediatric Pulmonary Function Tests

Bronchoprovocation Testing

Pulmonary Function Test Equipment

Quality Systems in the Pulmonary Function Laboratory

Reference Values and Interpretation Strategies

Filters

Spirometric tracings that are acceptable for determining respiratory impairment for disability must be recorded at a paper speed of _ mm/sec and volume sensitivity of _ mm/L.

A patient has his or her resting energy expenditure (REE)measured while breathing from a spirometer that has been filled with O_2. This technique is described as: