Troubleshooting

Question 1

Calibration of a portable spirometer should be within:

Answer 1

+/- 3%

Question 2

False high volume readings on a portable spirometer are suspected. What should the therapist do?

Answer 2

Enter the proper temp, pressure and altitude
Recalibrate the device
Reassemble or replace the flow sensor

Question 3

During a forced vital capacity test, a patient should have how many viable maneuvers?

Answer 3

3

Question 4

What should you do if a false high flow reading is suspected on a portable spirometer?

Answer 4

check calibrations

Question 5

on a portable spirometer test, volume has accumulated before the patient has exhaled. what may have caused this?

Answer 5

the sensor and tubing are not stationary at the start of the test

Question 6

If a portable spirometer does not turn on, what should the therapist do?

Answer 6

Replace batteries
Confirm connection to a working power outlet
Check batteries

Question 7

How long should a forced vital capacity last?

Answer 7

6 seconds

Question 8

What should a therapist do if the flow is reversed on spirometer?

Answer 8

check that the sensor outlet and inlet pressure tubing connections are reversed

Question 9

On a portable spirometer the FVC percentage on a 5’4” female patient with an FVC of 4 L, what should the therapist check

Answer 9

to see if the patient data has been entered correctly