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Sample Questions

2. Question No 1: Answer: C Question No 2: Answer: B Question No 3:
In setting up a CO analyzer, a pulmonary function technologist notices that the analyzer reads
-0.03 while sampling air. The technologist should?
Accept the reading because it is within ± 3%.
Adjust the reading to
Adjust the reading to 0.00.
Reverse the sample flow.
Answer: C Question No 2:
Which of the following is a suitable policy for following Standard Precautions in a pulmonary function laboratory?
Eye protection is required when obtaining ABGs from patients with hepatitis.
Reusable mouthpieces should be disposed when a patient has a history of tuberculosis.
Gloves are optional when obtaining arterial blood samples using a kit
Reusable mouthpieces should be disinfected between each patient.
Answer: B Question No 3:
During an exercise (stress) test, the minute ventilation to carbon dioxide production (Ve/VCO2) ratio is 100. This measurement indicates
Severe pulmonary hypertension
A normal response
Equipment malfunction
Increased work of breathing
Answer: C Question No 4:
A patient's bronchial provocation test was interpreted as positive for hyperreactive airways. Considering changes from a pre-challenge baseline, all of the following are consistent with this interpretation EXCEPT a
25% decrease in Raw.
25% decrease in FEFmax.
25% increase in FRC.
25% decrease in FEF25-75%.

3. Answer: C Question No 5: Answer: A Question No 6:
To assure linearity of an oxygen analyzer, calibrate with
Three test gases within the operating range of the instrument
Air
C % 02
D. Two test gases within the operating range of the instrument
Answer: A Question No 6:
A patient is performing a flow-volume loop. A pulmonary function technologist observes equal decreases in expiratory and inspiratory flows resulting in plateaus. Patient effort is satisfactory, and he follows instructions well. The technologist should expect the patient to have a
Small airways obstruction
Restrictive disorder
Variable large airways obstruction
Fixed large airways obstruction.
Answer: B Question No 7:
At maximum exercise, a 24-year-old patient's heart rate is 150/min with a VO2of 750 mUmin. The calculated 02 pulse is most consistent with which of the following?
Cystic fibrosis
Cardiomyopathy
Achievement of anaerobic threshold
Deconditioning
Answer: A

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Question No 8:
Which of the following is an appropriate reason to perform a multiple-breath nitrogen washout test?
Measure anatomical dead space.
Differentiate obstruction from restriction.
Detect early small airway disease.
Measure oxygen consumption.
Answer: C Question No 9:
When performing exercise testing on a biologic control, the measurements obtained should be compared with
The patient population that will be tested.
Predicted values used for the biologic control's height and weight
Previous tests performed on the biologic control.
At least two other biologic controls being tested.
Answer: C
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