Question 1

All of the following are end-of-test criteria for a CO2 response except:

Accepted Answer

A)  Test duration of 4 minutes 
B)  PETCO2 $\geq$ 9% 
C)  Patient intolerance 
D)  End-tidal CO2 $\geq$ 75 mm Hg 
A)  Test duration of 4 minutes 
B)  PETCO2 $\geq$ 9% 
C)  Patient intolerance 
D)  End-tidal CO2 $\geq$ 75 mm Hg

Question 2

A circuit is set up to perform a CO2 rebreathing response test.The reservoir bag in the circuit should contain which of the following?

Accepted Answer

A)  Room air 
B)  3% CO2 in air 
C)  7% CO2 in O2 
D)  100% O2 
A)  Room air 
B)  3% CO2 in air 
C)  7% CO2 in O2 
D)  100% O2

Question 3

A subject has the following results after 4.0 minutes of a CO2 rebreathing test:   These findings are consistent with which of the following?

Accepted Answer

A)  Normal lung function 
B)  Obesity-hypoventilation syndrome 
C)  Chronic asthma 
D)  Interstitial pulmonary fibrosis 
A)  Normal lung function 
B)  Obesity-hypoventilation syndrome 
C)  Chronic asthma 
D)  Interstitial pulmonary fibrosis

Question 4

A subject has the following results after 4 minutes of a CO2 rebreathing test:   These findings are consistent with a ventilatory response that is:

Accepted Answer

A)  Markedly reduced 
B)  Slightly reduced 
C)  Normal 
D)  Extremely high 
A)  Markedly reduced 
B)  Slightly reduced 
C)  Normal 
D)  Extremely high

All of the following are end-of-test criteria for a CO₂ response except:

A circuit is set up to perform a CO₂ rebreathing response test.The reservoir bag in the circuit should contain which of the following?

A subject has the following results after 4.0 minutes of a CO₂ rebreathing test: These findings are consistent with which of the following?

A subject has the following results after 4 minutes of a CO₂rebreathing test: These findings are consistent with a ventilatory response that is:

Indications for Pulmonary Function Testing

Spirometry

Diffusing Capacity Tests

Lung Volumes,airway Resistance,and Gas Distribution Tests

Blood Gases and Related Tests

Cardiopulmonary Exercise Testing

Pediatric Pulmonary Function Tests

Bronchoprovocation Testing

Specialized Test Regimens

Pulmonary Function Test Equipment

Quality Systems in the Pulmonary Function Laboratory

Reference Values and Interpretation Strategies

Filters

Exam 5: Ventilation and Ventilatory Control Tests