Which of the following machine performance characteristics should be monitored during inter-mittent positive-pressure breathing therapy?
1. Flow setting
2. Sensitivity
3. Humidity output
4. Peak pressure
a. 1 and 3 only
b. 1, 2, and 4 only
c. 3 and 4 only
d. 1, 2, 3, and 4
Q. 2 When adjusting the sensitivity control on an intermittent positive-pressure breathing device, which of the following parameters are you changing?
a. Volume of gas delivered to the patient during inhalation
b. Effort required to cycle the device off (end inspiration)
c. Effort required to cycle the device on (begin inspiration)
d. Maximum pressure delivered to the patient during inhalation
Q. 3 Which of the following are appropriate initial settings for intermittent positive-pressure breathing given to a new patient?
a. Sensitivity 2 cm H2O; pressure 20 to 25 cm H2O; high flow
b. Sensitivity 3 to 4 cm H2O; pressure 5 to 10 cm H2O; moderate flow
c. Sensitivity 1 to 2 cm H2O; pressure 10 to 15 cm H2O; moderate flow
d. Sensitivity 8 cm H2O; pressure 15 cm H2O; moderate flow
Q. 4 In administering intermittent positive-pressure breathing therapy, which of the following breath-ing patterns would be most desirable?
a. 6 to 8 breaths/min, inspiration/expiration ratio (I:E) of 1:3
b. 8 to 10 breaths/min, I:E of 1:1
c. 12 to 15 breaths/min, I:E of 1:2
d. 6 to 8 breaths/min, I:E of 1:1
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